Fedler, F. (1978). An introduction to the mass media. Harcourt brace Jovanovich.
Lua i Stíl Chicago (17ú heag.)Fedler, Fred. An Introduction to the Mass Media. New york: Harcourt brace Jovanovich, 1978.
Lua MLA (9ú heag.)Fedler, Fred. An Introduction to the Mass Media. Harcourt brace Jovanovich, 1978.
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