APA-Zitierstil (7. Ausg.)

Keiningham, T. L., & Vavra, T. G. (2001). The customer delight principle: Exceeding customers' expectations for bottom-line success. McGraw-Hill.

Chicago-Zitierstil (17. Ausg.)

Keiningham, Timothy L., und Terry G. Vavra. The Customer Delight Principle: Exceeding Customers' Expectations for Bottom-line Success. Chicago, Ill. [u.a.]: McGraw-Hill, 2001.

MLA-Zitierstil (9. Ausg.)

Keiningham, Timothy L., und Terry G. Vavra. The Customer Delight Principle: Exceeding Customers' Expectations for Bottom-line Success. McGraw-Hill, 2001.