| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Credit Card Processing for Sales Agents | 978-0-9826116-6-1 (0-9826116-6-8) | 2012 |
| Credit Card Processing for Sales Agents Study Guide | 978-0-9826116-7-8 (0-9826116-7-6) | 2012 |
| Navigating Through the Risks of Credit Card Processing | 978-0-9826116-0-9 (0-9826116-0-9) | 2010 |