Gladstone, A. (1986). The manager's guide to international labour standards. International Labour Office.
Chicago-referens (17:e uppl.)Gladstone, Alan. The Manager's Guide to International Labour Standards. Geneva: International Labour Office, 1986.
MLA-referens (9:e uppl.)Gladstone, Alan. The Manager's Guide to International Labour Standards. International Labour Office, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.