| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Sales Hunting: How to Develop New Territories and Major Accounts in Half the Time Using Trust as Your Weapon | Paperback | 978-1-4302-6770-6 | 2014 |
| Trust-Based Selling: Finding and Keeping Customers for Life | Digital | 978-1-4842-0874-8 | 2015 |
| Trust-Based Selling: Finding and Keeping Customers for Life | Paperback | 978-1-4842-0876-2 | 2015 |
| Trust-Based Selling: Finding and Keeping Customers for Life | " | 978-1-4842-0875-5 | 2014 |