International Labour Office. (1970). Introduction to social security: A workers educational manual. International Labour Office.
Chicago ZitierstilInternational Labour Office. Introduction to Social Security: A Workers Educational Manual. Geneva: International Labour Office, 1970.
MLA ZitierstilInternational Labour Office. Introduction to Social Security: A Workers Educational Manual. International Labour Office, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.