| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Integrated direct marketing: Techniques and strategies for success | 978-0-07-053599-2 | 1988 | |
| Mercadotecnia Directa Integrada: Technicas Y Estrategias Para El Exito | 978-0-07-104033-4 | 1991 | |
| OPT-IN MARKETING: How the Breakthrough Process of Consensual | 978-0-07-143528-4 | 2004 | Scott Hornstein |
| Voice-of-the-Customer Marketing: A Revolutionary 5-Step Process to Create Customers Who Care, Spend, and Stay | 978-0-07-174083-8 | 2010 | |