| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Butterworths Employment Law Guide | 978-0-406-90493-5 (0-406-90493-6) | 2001 | Brian Napier · Christopher Osman |
| Butterworths Employment Law Guide | 978-0-406-01652-2 (0-406-01652-6) | 1996 | John McMullen · Brian Napier |