| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Labor Relations Law | Paperback | 978-0-13-209900-4 | 1995 | Fred Witney |
| Labor Relations Law | Hardcover | 978-0-13-517277-3 | 1991 | " |
| Labor Relations Law | " | 978-0-13-519661-8 | 1987 | " |
| Labor relations law | " | 978-0-13-519652-6 | 1983 | |