| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| The Economics of Non-wage Labour Costs | 978-0-04-331096-0 (0-04-331096-6) | 1984 |
| Working Time and Employment | 978-0-04-331109-7 (0-04-331109-1) | 1987 |
A. H. · R. A. · R. Hart · Robert A. · Robert H. · Robert Hart