APA (7th ed.) Zitazioa
Nilsen, T. (1974). Ethics of speech communication (2nd ed.). The Bobbs-Merrill Co..
Chicago Style (17th ed.) Zitazioa
Nilsen, Thomas. Ethics of Speech Communication. 2nd ed. New York: The Bobbs-Merrill Co., 1974.
MLA (9th ed.) Zitazioa
Nilsen, Thomas. Ethics of Speech Communication. 2nd ed. The Bobbs-Merrill Co., 1974.
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