Carnegie, D. (1956). How to develop self-confidence and influence people by public speaking. Pocket Books.
Chicago-referens (17:e uppl.)Carnegie, Dale. How to Develop Self-confidence and Influence People by Public Speaking. Delhi: Pocket Books, 1956.
MLA-referens (8:e uppl.)Carnegie, Dale. How to Develop Self-confidence and Influence People by Public Speaking. Pocket Books, 1956.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.