Carnegie, D. (1956). How to develop self-confidence & influence people by public speaking: Time-tested methods of persuasion... (ed.). Pocket Books.
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Dyfyniad Arddull Chicago
Carnegie, Dale. How to Develop Self-confidence & Influence People by Public Speaking: Time-tested Methods of Persuasion... ed. New York: Pocket Books, 1956.
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Dyfyniad MLA
Carnegie, Dale. How to Develop Self-confidence & Influence People by Public Speaking: Time-tested Methods of Persuasion... ed. Pocket Books, 1956.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.