Prentice Hall · Wasteland Press
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Distant Brothers | Paperback | 978-1-60047-400-2 (1-60047-400-4) | 2010 |
| Sales Negotiating Handbook | " | 978-0-13-788092-8 (0-13-788092-8) | 1988 |
| Sales Negotiating Handbook | Hardcover | 978-0-13-788100-0 (0-13-788100-2) | 1988 |
"E. K." · R. E. · R.K. · Robert E. · Robert K.