Seidman, D. (2012). The secret language of influence: Master the one skill every sales pro needs. American Management Association.
Style de citation Chicago (17e éd.)Seidman, Dan. The Secret Language of Influence: Master the One Skill Every Sales Pro Needs. New York: American Management Association, 2012.
Style de citation MLA (8e éd.)Seidman, Dan. The Secret Language of Influence: Master the One Skill Every Sales Pro Needs. American Management Association, 2012.
Attention : ces citations peuvent ne pas être correctes à 100%.