Dyfyniad APA

Bovee, C. L. T. (2008). Business Communication Today (8th ed.). Pearson Education.

Dyfyniad Arddull Chicago

Bovee, Courtland L..; Thill. Business Communication Today. 8th ed. New Delhi: Pearson Education, 2008.

Dyfyniad MLA

Bovee, Courtland L..; Thill. Business Communication Today. 8th ed. Pearson Education, 2008.

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