| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Professional Selling: A Relationship Management Process | Paperback | 978-0-538-82776-8 (0-538-82776-9) | 1994 | William A. Staples |
| Professional Selling: A Relationship Management Process | Hardcover | 978-0-538-80367-0 (0-538-80367-3) | 1990 | " |