Dyfyniad APA

ARENS WILLAM F. (1989). CONTEMPORARY ADVERTISING (3RD.). IRWIN MCGRAW-HILL.

Dyfyniad Arddull Chicago

ARENS WILLAM F. CONTEMPORARY ADVERTISING. 3RD. HOMEWOOD: IRWIN MCGRAW-HILL, 1989.

Dyfyniad MLA

ARENS WILLAM F. CONTEMPORARY ADVERTISING. 3RD. IRWIN MCGRAW-HILL, 1989.

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