| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| International Labour Standards | 978-91-7496-321-2 (91-7496-321-X) | 2003 |
| Labour Standards, Development and Trade | 978-0-415-18080-1 (0-415-18080-5) | 2009 |
| Social Clauses and International Trade: Economic Analysis of Labour Standards in Trade Policy | 978-0-7099-1235-4 (0-7099-1235-8) | 1982 |