Dyfyniad APA

Roebuck, D. B., & McKenney, M. A. (2005). Improving business communication skills (4th ed.). Pearson Education.

Dyfyniad Arddull Chicago

Roebuck, Deborah Britt, and Mary Ann McKenney. Improving Business Communication Skills. 4th ed. Upper Saddle, New Jersey: Pearson Education, 2005.

Dyfyniad MLA

Roebuck, Deborah Britt, and Mary Ann McKenney. Improving Business Communication Skills. 4th ed. Pearson Education, 2005.

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