Dyfyniad APA

Murphy, H. A. H. (2008). Effective business communication (7th ed.). Tata McGraw Hill.

Dyfyniad Arddull Chicago

Murphy, Herta A Hildebrandt. Effective Business Communication. 7th ed. N.Delhi: Tata McGraw Hill, 2008.

Dyfyniad MLA

Murphy, Herta A Hildebrandt. Effective Business Communication. 7th ed. Tata McGraw Hill, 2008.

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