Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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