| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 30 Minutes to Improve Telesales Techniques | 978-0-7494-3190-7 (0-7494-3190-3) | 2000 |
| Selling by Telephone: From Cold Calling To Hot Profit | 978-0-7494-3682-7 (0-7494-3682-4) | 2001 |
C.D. · C. W. · Chris D. · Chris Dewinter · Chris Winter · D.W. · D. Winter · DE WINTER