| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| How to comply with the tough new immigration law | 978-0-13-403809-4 (0-13-403809-6) | 1987 |
| Lie detector use in the workplace: Federal and state restrictions | 978-0-13-535766-8 (0-13-535766-7) | 1988 |
| What you need to know about workplace drug testing | 978-0-13-983131-7 (0-13-983131-2) | 1989 |