German, K. M., & Gronbeck, B. E. (2001). Principles of public speaking (14th ed.). Addison Wesley Longman.
Chicago Style aipamenaGerman, Kathleen M., and Bruce E. Gronbeck. Principles of Public Speaking. 14th ed. New York: Addison Wesley Longman, 2001.
MLA aipamenaGerman, Kathleen M., and Bruce E. Gronbeck. Principles of Public Speaking. 14th ed. Addison Wesley Longman, 2001.
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