| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Successful Telephone Selling in the '80s | Paperback | 978-0-06-463569-1 | 1983 | Robert L. Shook |
| Successful telephone selling in the '80s | " | 978-0-06-014952-9 | 1982 | |
| Successful Telephone Selling in the '90s | Hardcover | 978-0-06-055266-4 | 1990 | Robert L. Shook |
| Successful Telephone Selling in the '90s | Paperback | 978-0-06-096491-7 | 1990 | |