Gronbeck, B. E. (1994). Principles and types of speech communication (12th ed.). HarperCollins College Publishers.
Chicago Style aipamenaGronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. New York: HarperCollins College Publishers, 1994.
MLA aipamenaGronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. HarperCollins College Publishers, 1994.
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