APA (7th ed.) Zitazioa
Johannesen, R. L. (1990). Ethics in human communication (3rd ed.). Waveland Press.
Chicago Style (17th ed.) Zitazioa
Johannesen, Richard L. Ethics in Human Communication. 3rd ed. Prospect Heights, Ill.: Waveland Press, 1990.
MLA (9th ed.) Zitazioa
Johannesen, Richard L. Ethics in Human Communication. 3rd ed. Waveland Press, 1990.
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