Defleur, M. L., & Dennis, E. E. (1991). Understanding mass communication (4th ed.). Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Defleur, Melvin L., agus Everette E. Dennis. Understanding Mass Communication. 4th ed. Dallas: Houghton Mifflin, 1991.
Lua MLA (9ú heag.)Defleur, Melvin L., agus Everette E. Dennis. Understanding Mass Communication. 4th ed. Houghton Mifflin, 1991.
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