Cita APA

United Nations Industrial Development Organization. (1977). Information sources on the iron and steel industry. United Nations.

Citación estilo Chicago

United Nations Industrial Development Organization. Information Sources on the Iron and Steel Industry. New York: United Nations, 1977.

Cita MLA

United Nations Industrial Development Organization. Information Sources on the Iron and Steel Industry. United Nations, 1977.

Warning: These citations may not always be 100% accurate.