J. L. · Julia Langdon · Julia Linnstaedter
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Complete Guide to Telemarketing Management | 978-0-9658925-0-6 (0-9658925-0-6) | 2000 |
| The Complete Guide to Telemarketing Management | 978-0-8144-7863-9 (0-8144-7863-8) | 1993 |