Illustrations usually take the form of charts and graphs. Articles use the jargon of the discipline. Popular Magazines Authors are magazine staff members or free lance writers. Authors often mention sources, but rarely formally cite them in bibliographies. Individual issues contain numerous advertisements.
Illustrations are numerous and colorful.
Trade Publications Authors are specialists in a certain field or industry. Authors often mention sources, but rarely formally cite them in bibliographies. Intended audience includes people in the industry or people seeking employment in the industry. There is no peer review process. Articles give practical information to people in an industry.