Dyfyniad APA

Lewis, H. G., & Nelson, C. (1999). Advertising age handbook of advertising. Lincolnwood, Ill.: NTC Business Books.

Dyfyniad Arddull Chicago

Lewis, Herschell Gordon, và Carol Nelson. Advertising Age Handbook of Advertising. Lincolnwood, Ill.: NTC Business Books, 1999.

Dyfyniad MLA

Lewis, Herschell Gordon, và Carol Nelson. Advertising Age Handbook of Advertising. Lincolnwood, Ill.: NTC Business Books, 1999.

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