International Labour Office. (1972). The contribution of the ILO to workers education. International Labour Office.
シカゴスタイル引用形International Labour Office. The Contribution of the ILO to Workers Education. Geneva: International Labour Office, 1972.
MLA引用形式International Labour Office. The Contribution of the ILO to Workers Education. International Labour Office, 1972.
警告: この引用は必ずしも正確ではありません.