Mullen, D. J., Jr. (2008). The million-dollar financial services practice: A proven system for becoming a top producer. AMACOM.
Chicago-Zitierstil (17. Ausg.)Mullen, David J., Jr. The Million-dollar Financial Services Practice: A Proven System for Becoming a Top Producer. New York: AMACOM, 2008.
MLA-Zitierstil (9. Ausg.)Mullen, David J., Jr. The Million-dollar Financial Services Practice: A Proven System for Becoming a Top Producer. AMACOM, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.