Heppell, M. (2006). Five star service, one star budget: How to create magic moments for your customers that get you noticed, remembered, and referred (1. publ.). Pearson/Prentice Hall Business.
Chicago-Zitierstil (17. Ausg.)Heppell, Michael. Five Star Service, One Star Budget: How to Create Magic Moments for Your Customers That Get You Noticed, Remembered, and Referred. 1. publ. Harlow ; Munich u.a: Pearson/Prentice Hall Business, 2006.
MLA-Zitierstil (9. Ausg.)Heppell, Michael. Five Star Service, One Star Budget: How to Create Magic Moments for Your Customers That Get You Noticed, Remembered, and Referred. 1. publ. Pearson/Prentice Hall Business, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.