Biagi, S. (1999). Media impact: An introduction to mass media (5th ed.). Thomson Wadsworth.
Cita Chicago Style (17a ed.)Biagi, Shirley. Media Impact: An Introduction to Mass Media. 5th ed. Belmont, CA: Thomson Wadsworth, 1999.
Cita MLA (9a ed.)Biagi, Shirley. Media Impact: An Introduction to Mass Media. 5th ed. Thomson Wadsworth, 1999.
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