Durkin Dianne Michonski. (2005). Loyalty Advantage: Essential steps to energize your company, your customers, your brand. American Management Association.
Chicago-Zitierstil (17. Ausg.)Durkin Dianne Michonski. Loyalty Advantage: Essential Steps to Energize Your Company, Your Customers, Your Brand. NewYork: American Management Association, 2005.
MLA-Zitierstil (9. Ausg.)Durkin Dianne Michonski. Loyalty Advantage: Essential Steps to Energize Your Company, Your Customers, Your Brand. American Management Association, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.