Leech, T. (2004). How to prepare, stage, and deliver winning presentations (3rd ed.). American Management Association.
Chicago Style (17th ed.) CitationLeech, Thomas. How to Prepare, Stage, and Deliver Winning Presentations. 3rd ed. New York: American Management Association, 2004.
ציטוט MLALeech, Thomas. How to Prepare, Stage, and Deliver Winning Presentations. 3rd ed. American Management Association, 2004.
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