APA (7th ed.) Zitazioa
Zarefsky, D. (2017). Public speaking: Strategies for success (Eighth edition.). Pearson.
Chicago Style (17th ed.) Zitazioa
Zarefsky, David. Public Speaking: Strategies for Success. Eighth edition. New York, NY: Pearson, 2017.
MLA (9th ed.) Zitazioa
Zarefsky, David. Public Speaking: Strategies for Success. Eighth edition. Pearson, 2017.
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