APA引文

(2001). Energy efficiency: Promotion of energy efficiency in industry and financing of investments. New York: United Nations.

Trích dẫn kiểu Chicago

Energy Efficiency: Promotion of Energy Efficiency in Industry and Financing of Investments. New York: United Nations, 2001.

MLA引文

Energy Efficiency: Promotion of Energy Efficiency in Industry and Financing of Investments. New York: United Nations, 2001.

警告：這些引文格式不一定是100％准確.