R. P. · Robert P. · Robert R. Pinger
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Drugs: Issues for Today | 978-0-07-409330-6 (0-07-409330-4) | 1997 | Wayne Payne · Dale Hahn · Ellen Hahn |
| Drugs: Issues for Today with Powerweb: Drugs and Substance Abuse | 978-0-07-250627-3 (0-07-250627-X) | 2001 | Wayne Payne · Dale Hahn · Ellen Hahn |