| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Dartnell's Practical Guide for Telephone Reps | 978-1-63012-117-4 (1-63012-117-7) | 2012 |
| Dartnell's Teamwork Practical Guide | 978-1-63012-116-7 (1-63012-116-9) | 2012 |
| Dartnell_successful_supervisor_practical | 978-1-63012-349-9 (1-63012-349-8) | 2012 |