Carroll, B. (2011). The hidden power of your customers: Four keys to growing your business through existing customers. Wiley.
Chicago-Zitierstil (17. Ausg.)Carroll, Becky. The Hidden Power of Your Customers: Four Keys to Growing Your Business Through Existing Customers. Hoboken, N.J: Wiley, 2011.
MLA-Zitierstil (9. Ausg.)Carroll, Becky. The Hidden Power of Your Customers: Four Keys to Growing Your Business Through Existing Customers. Wiley, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.