Carnegie, D. (1956). How to develop self-confidence and influence people by public speaking. Pocket Books.
Lua i Stíl Chicago (17ú heag.)Carnegie, Dale. How to Develop Self-confidence and Influence People by Public Speaking. Delhi: Pocket Books, 1956.
Lua MLA (8ú heag.)Carnegie, Dale. How to Develop Self-confidence and Influence People by Public Speaking. Pocket Books, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.