APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.