J.D. · J. P. · John D. · John P.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Supervision in the Hospitality Industry | 978-0-86612-052-4 (0-86612-052-1) | 1991 | Raphael R. Kavanaugh · Jack D. Ninemeier |
| Supervision in the Hospitality Industry | 978-0-86612-016-6 (0-86612-016-5) | 1984 | |