Dyfyniad APA

Jefkins, F. (1984). Advertising today (3rd ed.). International text book company.

Dyfyniad Arddull Chicago

Jefkins, Frank. Advertising Today. 3rd ed. London: International text book company, 1984.

Dyfyniad MLA

Jefkins, Frank. Advertising Today. 3rd ed. International text book company, 1984.

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