International Labor Office. (1991). Summaries of international labour standards (2nd ed., updated in 1990.). International Labour Office.
Chicago-Zitierstil (17. Ausg.)International Labor Office. Summaries of International Labour Standards. 2nd ed., updated in 1990. Geneva: International Labour Office, 1991.
MLA-Zitierstil (9. Ausg.)International Labor Office. Summaries of International Labour Standards. 2nd ed., updated in 1990. International Labour Office, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.