Guffey. (1997). Essentials of business communication (4th ed.). South-Western College Publishing.
Chicago Style (17th ed.) CitationGuffey. Essentials of Business Communication. 4th ed. Cincinnati,Ohio: South-Western College Publishing, 1997.
MLA (9th ed.) CitationGuffey. Essentials of Business Communication. 4th ed. South-Western College Publishing, 1997.
Warning: These citations may not always be 100% accurate.