VIVIAN, J. (1995). The Media of mass comunicationJohn Vivian. Allyn & Bacon.
Lua i Stíl Chicago (17ú heag.)VIVIAN, John. The Media of Mass ComunicationJohn Vivian. Allyn & Bacon, 1995.
Lua MLA (8ú heag.)VIVIAN, John. The Media of Mass ComunicationJohn Vivian. Allyn & Bacon, 1995.
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