PRIDE WILLIAM M. (1989). MARKETING: CONCEPTS AND STRATEGIES. HOUGHTON COM.
Dyfyniad Arddull ChicagoPRIDE WILLIAM M. MARKETING: CONCEPTS AND STRATEGIES. BOSTON: HOUGHTON COM, 1989.
Dyfyniad MLAPRIDE WILLIAM M. MARKETING: CONCEPTS AND STRATEGIES. HOUGHTON COM, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.