Παραπομπή APA

Etherington, L. A., & Robinson, S. A. (2006). Customer loyalty: A guide for time travelers.

Παραπομπή Chicago Style

Etherington, Lyn; Author, και Sionade; Author Robinson. Customer Loyalty: A Guide for Time Travelers. New York, Palgrave Macmillan, 2006.

Παραπομπή MLA

Etherington, Lyn; Author, και Sionade; Author Robinson. Customer Loyalty: A Guide for Time Travelers. 2006.