Zarefsky, D. (1996). Public speaking: Strategies for success. Massachusett: Allyn and Bacon.
Παραπομπή Chicago StyleZarefsky, David. Public Speaking: Strategies for Success. Massachusett: Allyn and Bacon, 1996.
Παραπομπή MLAZarefsky, David. Public Speaking: Strategies for Success. Massachusett: Allyn and Bacon, 1996.
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