Torte, R. (2011). Everything You Need to Know About Direct Response Technologies and Databases for Internet Marketing. Brainmass, Inc.
Chicago-Zitierstil (17. Ausg.)Torte, Rob. Everything You Need to Know About Direct Response Technologies and Databases for Internet Marketing. [Newmarket, ON]: Brainmass, Inc, 2011.
MLA-Zitierstil (9. Ausg.)Torte, Rob. Everything You Need to Know About Direct Response Technologies and Databases for Internet Marketing. Brainmass, Inc, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.