Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.