Fragasso, P. M. (2008). Marketing for rainmakers: 52 rules of engagement to attract and retain customers for life. John Wiley & Sons.
Chicago-Zitierstil (17. Ausg.)Fragasso, Philip M. Marketing for Rainmakers: 52 Rules of Engagement to Attract and Retain Customers for Life. Hoboken, N.J: John Wiley & Sons, 2008.
MLA-Zitierstil (9. Ausg.)Fragasso, Philip M. Marketing for Rainmakers: 52 Rules of Engagement to Attract and Retain Customers for Life. John Wiley & Sons, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.