Frei, F. X., & Morriss, A. (2012). Uncommon service: How to win by putting customers at the core of your business. Harvard Business Review Press.
Chicago-Zitierstil (17. Ausg.)Frei, Frances X., und Anne Morriss. Uncommon Service: How to Win by Putting Customers at the Core of Your Business. Boston, Mass: Harvard Business Review Press, 2012.
MLA-Zitierstil (9. Ausg.)Frei, Frances X., und Anne Morriss. Uncommon Service: How to Win by Putting Customers at the Core of Your Business. Harvard Business Review Press, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.