Dyfyniad APA

Murphy, H. . A. (2010). Effective business communication (7th ed.). Tata Mc Graw Hill.

Dyfyniad Arddull Chicago

Murphy, Herta A. Effective Business Communication. 7th ed. New Delhi: Tata Mc Graw Hill, 2010.

Dyfyniad MLA

Murphy, Herta A. Effective Business Communication. 7th ed. Tata Mc Graw Hill, 2010.

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