International Labour Office. (1975). Working environment: Sixth item on the agenda. Geneva: International Labour Office.
シカゴスタイル引用形International Labour Office. Working Environment: Sixth Item On the Agenda. Geneva: International Labour Office, 1975.
MLA引用形式International Labour Office. Working Environment: Sixth Item On the Agenda. Geneva: International Labour Office, 1975.
警告: この引用は必ずしも正確ではありません.