| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Complete Customer Service Letter Book | 978-0-07-911619-2 (0-07-911619-1) | 1993 | Edward W. Werz |
| Phrases That Sell: The Ultimate Phrase Finder to Help You Promote Your Products, Services, and Ideas | 978-0-8092-2977-2 (0-8092-2977-3) | 1998 | " |
| The Complete Customer Service Letter Book | 978-0-07-911618-5 (0-07-911618-3) | 1993 | " |