Dyfyniad APA

Carnegie, D. (1956). How to develop self-confidence and influence people by public speaking. New York: Pocket Books.

Dyfyniad Arddull Chicago

Carnegie, Dale. How to Develop Self-confidence and Influence People By Public Speaking. New York: Pocket Books, 1956.

Dyfyniad MLA

Carnegie, Dale. How to Develop Self-confidence and Influence People By Public Speaking. New York: Pocket Books, 1956.

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