Style de citation APA (7e éd.)
Guffey, M. E. (1998). Essentials of business communication (4th ed.). South-Western College Pub..
Style de citation Chicago (17e éd.)
Guffey, Mary Ellen. Essentials of Business Communication. 4th ed. Cincinnati, Ohio: South-Western College Pub., 1998.
Style de citation MLA (9e éd.)
Guffey, Mary Ellen. Essentials of Business Communication. 4th ed. South-Western College Pub., 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.