Miller, W. (2007). Ultimate sales tool kit: The versatile 15-piece set that every professional needs. AMACOM.
Chicago-Zitierstil (17. Ausg.)Miller, William. Ultimate Sales Tool Kit: The Versatile 15-piece Set That Every Professional Needs. New York, NY: AMACOM, 2007.
MLA-Zitierstil (9. Ausg.)Miller, William. Ultimate Sales Tool Kit: The Versatile 15-piece Set That Every Professional Needs. AMACOM, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.