|Author||Journalist, layperson, or unknown||Expert in field|
|Notes||Few or no references or footnotes||Includes bibliography and/or notes|
|Style||Written for average reader||Written for experts|
|Editing||Reviewed by people employed by magazine||Reviewed by outside scholars|
|Advertising||Many||Few or none|
|Indexes||Found in general periodical indexes||Found in subject specialized indexes|
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