Durkin Dianne Michonski. (2005). Loyalty Advantage: Essential steps to energize your company, your customers, your brand. American Management Association.
Chicago-referens (17:e uppl.)Durkin Dianne Michonski. Loyalty Advantage: Essential Steps to Energize Your Company, Your Customers, Your Brand. NewYork: American Management Association, 2005.
MLA-referens (9:e uppl.)Durkin Dianne Michonski. Loyalty Advantage: Essential Steps to Energize Your Company, Your Customers, Your Brand. American Management Association, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.