Dyfyniad APA

Oliver, G. (1980). Marketing Today. prentice-hall international INC.

Dyfyniad Arddull Chicago

Oliver, Gordon. Marketing Today. london: prentice-hall international INC, 1980.

Dyfyniad MLA

Oliver, Gordon. Marketing Today. prentice-hall international INC, 1980.

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