Lewis, H. G. (1992). Power copywriting: Dynamic new communications techniques to help you sell more products and services. Dartnell.
Chicago-Zitierstil (17. Ausg.)Lewis, Herschell Gordon. Power Copywriting: Dynamic New Communications Techniques to Help You Sell More Products and Services. Chicago, IL: Dartnell, 1992.
MLA-Zitierstil (9. Ausg.)Lewis, Herschell Gordon. Power Copywriting: Dynamic New Communications Techniques to Help You Sell More Products and Services. Dartnell, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.