Dyfyniad APA

Belch, G. E. (2001). Advertising and promotion. McGraw-Hill.

Dyfyniad Arddull Chicago

Belch, George E. Advertising and Promotion. McGraw-Hill, 2001.

Dyfyniad MLA

Belch, George E. Advertising and Promotion. McGraw-Hill, 2001.

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