Barbour, W. (1994). Mass media: Opposing viewpoints. Greenhaven Press.
Lua i Stíl Chicago (17ú heag.)Barbour, William. Mass Media: Opposing Viewpoints. San Diego, CA: Greenhaven Press, 1994.
Lua MLA (9ú heag.)Barbour, William. Mass Media: Opposing Viewpoints. Greenhaven Press, 1994.
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