Cita APA (7a ed.)

United Nations. Economic Commission for Europe. (1991). Energy reforms in Central and Eastern Europe: The first year. United Nations.

Cita Chicago Style (17a ed.)

United Nations. Economic Commission for Europe. Energy Reforms in Central and Eastern Europe: The First Year. New York: United Nations, 1991.

Cita MLA (9a ed.)

United Nations. Economic Commission for Europe. Energy Reforms in Central and Eastern Europe: The First Year. United Nations, 1991.

Precaución: Estas citas no son 100% exactas.