Information comes in all shapes and sizes. Knowing what kind of information to use for your papers and speeches can be challenging, but we're here to help! Once you know the differences between the types of sources and how the information in them is created, you'll be much more confident deciding which ones to use! Portland Community College Library has an awesome resource called "Know Your Sources" that visually describes the various sources out there. Check it out by clicking this link: "Know Your Sources"
Primary sources provide an account of an event or person as close to the occurrence as possible. Primary sources often include:
Tertiary sources are information sources which present a combination of both primary and secondary information. In most cases, tertiary sources include:
For more information on types of sources: http://library.uwsp.edu/guides/webtutorials/primary.htm
Secondary sources are those which provide application, commentary, evaluation, or interpretation of a primary source. Keep in mind that different disciplines may define primary, secondary, and tertiary sources differently. In most cases, secondary sources include:
Periodicals, i.e., journals and magazines are typically categorized into three types:
Examples: Journal of Psychology & Christianity, Strength and Conditioning Journal
Example: American Cinematographer; Nursing Management