Littlejhon, S. W. (1996). Theory of Human Communication. Wadsworth Publishing Company.
Lua i Stíl Chicago (17ú heag.)Littlejhon, Stephen W. Theory of Human Communication. Wadsworth Publishing Company, 1996.
Lua MLA (9ú heag.)Littlejhon, Stephen W. Theory of Human Communication. Wadsworth Publishing Company, 1996.
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