Dyfyniad APA

American Advertising Federation. (1995). The book. The Federation.

Dyfyniad Arddull Chicago

American Advertising Federation. The Book. Washington, D.C: The Federation, 1995.

Dyfyniad MLA

American Advertising Federation. The Book. The Federation, 1995.

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