Dyfyniad APA

Ludlow,Ron, & Panton,Fergus. (2002). Essence of effective communication. Prentice Hall.

Dyfyniad Arddull Chicago

Ludlow,Ron, and Panton,Fergus. Essence of Effective Communication. New Delhi: Prentice Hall, 2002.

Dyfyniad MLA

Ludlow,Ron, and Panton,Fergus. Essence of Effective Communication. Prentice Hall, 2002.

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