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Welcome to the DCTC Library's Principles of Marketing course guide. On this page you will find helpful information about the research and writing process, including links to help you evaluate and cite your sources.

The 2nd page has information about the resources in our library and how to find them using our catalog.

The 3rd page is a gateway to the Library's best online resources and web sites for this course, including some tutorials for these resources.

Let's get started!

Evaluating information

Not everything you read online is true. Shocking, I know. Have you ever heard of the CRAAP test? A librarian developed this handy acronym to help you remember these things when evaluating information.

Currency: is this the most up-to-date information on my topic?
Relevance: does this information relate to my topic?
Authority: is the author qualified to write about this subject?
Accuracy: has this information been fact-checked?
Purpose: is this information objective, or is it biased?

Here are some useful guides to help you evaluate information you find on the web:

Citing sources

There are different styles for citing the sources you use in your assignments. Your instructor will let you know whether to use APA, Chicago, MLA, or some other style. Here are some introductory guides to these styles from the Purdue Online Writing Lab:

Our catalog and databases provide citations for the books, videos, and articles you find in them. Just look for a link that says Cite or Citation, then select the appropriate style. It's easy to copy and paste citations into your bibliography!

Avoiding plagiarism

"Plagiarism includes, but is not limited to, the use, by paraphrase or direct quotation, of the published or unpublished work of another person without full and clear acknowledgment. It also includes the unacknowledged use of materials prepared by another person or agency engaged in the selling of term papers or other academic materials."

This definition of plagiarism comes from page 1 of DCTC's Student Code of Conduct. See how easy that was?

Citing your sources is an essential step in the research process. This allows others to verify your information and gives credit to previous researchers and writers for their hard work.

Writing help

The Center for Student Success offers tutoring to all DCTC students, including help with writing your paper and citing your sources. You can schedule an appointment by calling 651-423-8420 or visiting room 2-101.

In the Library


Use our catalog, OneSearch, to find the books and videos on our shelves, plus ebooks and streaming videos.



The best way to begin your search is to enter one or two keywords on your topic. To narrow your results, use the Modify My Results options on the left side of the screen. You can also click on a relevant title and click on one of its subject headings to focus your search on that particular topic.

Please ask a librarian if you need help locating anything you find in our catalog.

If we don't have the book, video, or article you're looking for, you can request it via interlibrary loan (ILL) and it will come to you. It's easy! E-mail to let us know what you're looking for and we'll do the rest.


Our collection is organized by Library of Congress call numbers. If you like to browse, most books about marketing are shelved in the HF5410-5417.5 call number range. Ask a librarian if you need help finding anything.

Here are just a few of our books about marketing:

Course resources

Behind the circulation desk we have our Course Resources collection. This includes books and videos that instructors have asked us to reserve for certain classes. Some of these can be checked out for two hours or overnight but others must be used in the Library. Ask a librarian if you're looking for one of these.

Online Resources

Gale Business: Insights

Gale Business: Insights

Gale Business: Insights features detailed company and industry profiles including SWOT, market share, and financial reports; thousands of company histories and industry essays; and case studies, scholarly journals, and business news for deep research coverage of global economies.

Training Support for Gale Business: Insights

Michael's video tutorial for Gale Business: Insights


There are millions of full-text articles in our EBSCO, Gale, and ProQuest databases. The best way to begin your search is to enter one or two keywords on your topic. Each database is different, but there will be ways to limit and focus your results so that you find the most relevant and useful articles available.


EBSCO Our EBSCO databases are an excellent place to start your search for magazine and journal articles. One of these databases, Business Source Premier, offers full-text articles from more than 2,100 business journals, company profiles, country reports, industry profiles, and market research reports.
Gale Our Gale databases are another great place to find magazine and journal articles. One of these databases, Gale OneFile: Business, offers full-text articles on marketing, management and strategy, and business theory and practice.
ProQuestSearch hundreds of U.S. newspapers, newswires, and news sites with ProQuest U.S. Newsstream.


Please visit the Library or e-mail if you have any questions about our online resources or if you'd like help finding articles on your topic.​

U.S. Census Bureau

U.S. Census Bureau

The U.S. Census Bureau provides a vast amount of demographic and economic data at local, state, and national levels.

QuickFacts provides statistics for all states and counties and for cities and towns with a population of 5,000 or more.

The Census Bureau produces economic data across the entire economy on a monthly, quarterly, yearly, and five-year basis, which you can find under Business and Economy. (formerly known as American FactFinder) is the primary way to access Census Bureau data.

Michael's video tutorial for the U.S. Census website

LinkedIn Learning

LinkedIn Learning

LinkedIn Learning, formerly known as, offers thousands of self-paced video courses and tutorials. DCTC's subscription ended in 2023 but most public libraries in the Twin Cities region offer LinkedIn Learning. All you need is your (free) public library card. Click on your public library below to get started.

Once you've logged into your LinkedIn Learning account, you can browse or search for courses and tutorials. I recommend clicking on the Browse button at the top of the screen, then selecting from the categories under Marketing. You'll find many hours of content.

LinkedIn Learning statistics screenshot

Business Source Premier

Business Source Premier

Business Source Premier features the full text for more than 2,100 journals in all business disciplines. Coverage includes marketing, management, MIS, POM, accounting, finance, and economics. Additional non-journal content includes company profiles, country reports, industry profiles, market research reports, and SWOT analyses.

Finding Company Information

Basic searching tutorial

Advanced searching tutorial

Nonprofits and small businesses

GreatNonprofits is a directory of nonprofits with reviews.

GuideStar has lots of information about U.S. charities and nonprofit organizations. Some of the information requires a free account; other data is available for a price.

The U.S. Census Bureau has resources for small businesses.

The U.S. Small Business Administration has a guide to market research and competitive analysis.


Open Educational Resources (OER)

Open Educational Resources (OER) are free and openly-licensed teaching materials. These materials are easy for educators to integrate with their existing courses and reduce costs for students.

The University of Minnesota's Open Textbook Library is an example of OER. This is a collection of more than 800 textbooks on a wide variety of subjects, freely available online to view or download. Educators can even adapt a textbook for their own needs, whether that's removing chapters or adding their own content. For those who prefer print, professionally printed copies are available at a fraction of the cost of most textbooks.

Lumen Learning is another example of OER. These are whole courses including textbooks, assignments, quizzes, interactive practice, videos, and more. Lumen Learning courses are free, online, mobile-friendly, adaptable, modular, and easy to integrate within D2L Brightspace (including grading).

Open textbooks

Here are some of the marketing textbooks you'll find in the Open Textbook Library:


Principles of MarketingPrinciples of Marketing


Introducing MarketingIntroducing Marketing
John Burnett, 2011


eMarketing: The Essential Guide to Marketing in a Digital WorldeMarketing: The Essential Guide to Marketing in a Digital World, 6th ed.
Rob Stokes, 2013