Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.