1. Scholarly articles in peer-reviewed or refereed journals
2. Journal articles
3. Magazine articles
4. Newspaper articles
5. Trade publication/Trade journals
6. Books/Ebooks
7. More...
Scholarly articles in scholarly journals
Also called peer-reviewed or refereed journals.
Articles are reviewed by a board of experts or "peer reviewers."
Often follow a format for research papers: abstract, literature review, methodology, results, conclusion, possibly footnotes, endnotes and/or bibliography.
May include tables, graphs or illustrations to support research.
Very little advertising.
Examples: The New England Journal of Medicine, The Journal of American Medicine (JAMA), Cell, Nature, Journal of Higher Education.
Popular magazines
May have a bright cover with many glossy pictures.
Designed to attract a broad segment of the population.
No specific format.
Articles sometimes unsigned.
General editors of the magazine review articles.
May include tables, graphs or illustrations.
Lots of advertising.
Examples: Time, New Yorker, National Geographic, Scientific America
Professional or trade publications/journals
May have a bright cover.
Provide information of use to a particular industry such as restaurants, guns, and libraries