Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.