Andrews, J. R. (1979). Essentials of public communication. (1a. ed.). John Wiley.
Cita Chicago Style (17a ed.)Andrews, James R. Essentials of Public Communication. 1a. ed. United States: John Wiley, 1979.
Cita MLA (9a ed.)Andrews, James R. Essentials of Public Communication. 1a. ed. John Wiley, 1979.
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