APA (7th ed.) Zitazioa
Lucas, S. (1983). The art of public speaking. Random House.
Chicago Style (17th ed.) Zitazioa
Lucas, Stephen. The Art of Public Speaking. New York: Random House, 1983.
MLA (9th ed.) Zitazioa
Lucas, Stephen. The Art of Public Speaking. Random House, 1983.
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