Tacey, W. S. (1975). Business and professional speaking (2d ed.). W. C. Brown Co..
Style de citation Chicago (17e éd.)Tacey, William Sanford. Business and Professional Speaking. 2d ed. Dubuque, Iowa: W. C. Brown Co., 1975.
Style de citation MLA (9e éd.)Tacey, William Sanford. Business and Professional Speaking. 2d ed. W. C. Brown Co., 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.