APA引文

United Nations Industrial Development Organization. (1977). Infomation souuces on the iron and steel industry. New York: United Nations.

Trích dẫn kiểu Chicago

United Nations Industrial Development Organization. Infomation Souuces On the Iron and Steel Industry. New York: United Nations, 1977.

MLA引文

United Nations Industrial Development Organization. Infomation Souuces On the Iron and Steel Industry. New York: United Nations, 1977.

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