| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Churchill, Ford, and Walker's Sales Force Management | 978-0-07-246648-5 (0-07-246648-0) | 2002 | Mark W. Johnston · Greg W. Marshall · Orville C. Walker · Gilbert A. Sales Force Management Churchill |
| Sales Force Management | 978-0-07-027555-3 (0-07-027555-6) | 1999 | Orville C. Walker · Mark W. Johnston · John F. Tanner |