APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

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