APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.