Dyfyniad APA

Murphy, H. A., & Peck, C. E. (1972). Effective business communications. Tata Mc Graw-Hill.

Dyfyniad Arddull Chicago

Murphy, Herta A., and Charles E. Peck. Effective Business Communications. New Delhi: Tata Mc Graw-Hill, 1972.

Dyfyniad MLA

Murphy, Herta A., and Charles E. Peck. Effective Business Communications. Tata Mc Graw-Hill, 1972.

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