Dyfyniad APA

Harcourt, J., & Krizan, A. C. (1999). Business communication (4th ed.). South-Western College Publishing.

Dyfyniad Arddull Chicago

Harcourt, Jules, and A. C. Krizan. Business Communication. 4th ed. Cincinnati, Ohio: South-Western College Publishing, 1999.

Dyfyniad MLA

Harcourt, Jules, and A. C. Krizan. Business Communication. 4th ed. South-Western College Publishing, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.