APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.