APA (7th ed.) Citation

Guffey, M. E. (2000). Essentials of business communication (5th.ed.). South-Western.

Chicago Style (17th ed.) Citation

Guffey, Mary Ellen. Essentials of Business Communication. 5th.ed. Australia: South-Western, 2000.

MLA (9th ed.) Citation

Guffey, Mary Ellen. Essentials of Business Communication. 5th.ed. South-Western, 2000.