Cita APA (7a ed.)

Economic Commission for Europe- UN. (1992). East -West Energy Efficiency: The Ace Energy Series. United Nations.

Cita Chicago Style (17a ed.)

Economic Commission for Europe- UN. East -West Energy Efficiency: The Ace Energy Series. New York: United Nations, 1992.

Cita MLA (9a ed.)

Economic Commission for Europe- UN. East -West Energy Efficiency: The Ace Energy Series. United Nations, 1992.

Precaución: Estas citas no son 100% exactas.