Dyfyniad APA

Newman, M. (2004). The 22 irrefutable laws of advertising. John Wiley & Sons.

Dyfyniad Arddull Chicago

Newman, Michael. The 22 Irrefutable Laws of Advertising. John Wiley & Sons, 2004.

Dyfyniad MLA

Newman, Michael. The 22 Irrefutable Laws of Advertising. John Wiley & Sons, 2004.

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