International Labour Office. (1970). Introduction to social security: A workers educational manual. International Labour Office.
Chicago Edition CitationInternational Labour Office. Introduction to Social Security: A Workers Educational Manual. Geneva: International Labour Office, 1970.
MLA引文International Labour Office. Introduction to Social Security: A Workers Educational Manual. International Labour Office, 1970.
警告:這些引文格式不一定是100%准確.