International Labour Office. (1972). The contribution of the ILO to workers education. International Labour Office.
Chicago Edition CitationInternational Labour Office. The Contribution of the ILO to Workers Education. Geneva: International Labour Office, 1972.
MLA引文International Labour Office. The Contribution of the ILO to Workers Education. International Labour Office, 1972.
警告:這些引文格式不一定是100%准確.