Dyfyniad APA

Jefkins, F. (2000). Advertising (4th ed.). Pearson education.

Dyfyniad Arddull Chicago

Jefkins, Frank. Advertising. 4th ed. Noida: Pearson education, 2000.

Dyfyniad MLA

Jefkins, Frank. Advertising. 4th ed. Pearson education, 2000.

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