Powell, M. E. (2010). 42 rules to turn prospects into customers: How to build profitable relationships to close more sales and drive more business. Super Star Press.
Chicago-Zitierstil (17. Ausg.)Powell, Meridith Elliott. 42 Rules to Turn Prospects into Customers: How to Build Profitable Relationships to Close More Sales and Drive More Business. Cupertino, Calif: Super Star Press, 2010.
MLA-Zitierstil (9. Ausg.)Powell, Meridith Elliott. 42 Rules to Turn Prospects into Customers: How to Build Profitable Relationships to Close More Sales and Drive More Business. Super Star Press, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.