Zikmund, W. G., & William G. Zikmund; Michael d'Amico. (2002). Effective marketing: Creating and keeping customers. Australia,Cincinnati, Ohio: South-Western College Pub.
Trích dẫn kiểu ChicagoZikmund, William G., và William G. Zikmund; Michael d'Amico. Effective Marketing: Creating and Keeping Customers. Australia,Cincinnati, Ohio: South-Western College Pub, 2002.
Deismireacht MLAZikmund, William G., và William G. Zikmund; Michael d'Amico. Effective Marketing: Creating and Keeping Customers. Australia,Cincinnati, Ohio: South-Western College Pub, 2002.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.