Cita APA (7a ed.)

United Nations. Economic Commission for Europe. (1993). Solar Power Systems. United Nations.

Cita Chicago Style (17a ed.)

United Nations. Economic Commission for Europe. Solar Power Systems. New York: United Nations, 1993.

Cita MLA (9a ed.)

United Nations. Economic Commission for Europe. Solar Power Systems. United Nations, 1993.

Precaución: Estas citas no son 100% exactas.