Tracy, B. (2008). Speak to win: How to present with power in any situation. AMACOM.
Style de citation Chicago (17e éd.)Tracy, Brian. Speak to Win: How to Present with Power in Any Situation. New York: AMACOM, 2008.
Style de citation MLA (8e éd.)Tracy, Brian. Speak to Win: How to Present with Power in Any Situation. AMACOM, 2008.
Attention : ces citations peuvent ne pas être correctes à 100%.