United Nations Industrial Development Organization. (1977). Infomation souuces on the iron and steel industry. New York: United Nations.
シカゴスタイル引用形United Nations Industrial Development Organization. Infomation Souuces On the Iron and Steel Industry. New York: United Nations, 1977.
MLA引用形式United Nations Industrial Development Organization. Infomation Souuces On the Iron and Steel Industry. New York: United Nations, 1977.
警告: この引用は必ずしも正確ではありません.