Cassata, M. (1977). Mass communication prin. & practices. Macmillan.
Lua i Stíl Chicago (17ú heag.)Cassata, M. Mass Communication Prin. & Practices. New York: Macmillan, 1977.
Lua MLA (9ú heag.)Cassata, M. Mass Communication Prin. & Practices. Macmillan, 1977.
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