International Labour Office. (1977). Safety, health and working environment in the metal trades: New appoaches. Geneve: International Labour Office.
シカゴスタイル引用形International Labour Office. Safety, Health and Working Environment in the Metal Trades: New Appoaches. Geneve: International Labour Office, 1977.
MLA引用形式International Labour Office. Safety, Health and Working Environment in the Metal Trades: New Appoaches. Geneve: International Labour Office, 1977.
警告: この引用は必ずしも正確ではありません.