| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Outsourcing the Sales Function: The Real Cost of Field Sales | 978-0-324-31172-3 (0-324-31172-9) | 2004 | Erin Anderson |
| Outsourcing The Sales Function: The Real Cost Of Field Sales | 978-0-324-31173-0 (0-324-31173-7) | 2004 | " |
| Outsourcing the Sales Function: The Real Costs of Field Sales | 978-0-324-20748-4 (0-324-20748-4) | 2005 | " |