| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Customer Service Over the Phone: Techniques and Technology for Handling Customers Over the Phone | Hardcover | 978-1-138-41222-4 (1-138-41222-8) | 2017 |
| Customer Service Over the Phone: Techniques and Technology for Handling Customers Over the Phone | Paperback | 978-1-57820-046-7 (1-57820-046-6) | 1999 |
| Tele-Stress: Relief for Call Center Stress | Hardcover | 978-1-138-41223-1 (1-138-41223-6) | 2017 |