Carnegie, D. (1956). How to develop self-confidence and influence people by public speaking. New York: Pocket Books.
استشهاد بنمط شيكاغوCarnegie, Dale. How to Develop Self-confidence and Influence People By Public Speaking. New York: Pocket Books, 1956.
MLA استشهادCarnegie, Dale. How to Develop Self-confidence and Influence People By Public Speaking. New York: Pocket Books, 1956.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.