United Nations. Economic Commission for Europe. Committee on Electric Power. (1980). Combined production of electric power and heat: Proceedings of a seminar organized by the Committee on Electric Power of the United Nations Economic Commission for Europe, Hamburg, Federal Republic of Germany, 6-9 November 1978. Published for the United Nations by Pergamon Press.
Style de citation Chicago (17e éd.)United Nations. Economic Commission for Europe. Committee on Electric Power. Combined Production of Electric Power and Heat: Proceedings of a Seminar Organized by the Committee on Electric Power of the United Nations Economic Commission for Europe, Hamburg, Federal Republic of Germany, 6-9 November 1978. Oxford ; New York: Published for the United Nations by Pergamon Press, 1980.
Style de citation MLA (8e éd.)United Nations. Economic Commission for Europe. Committee on Electric Power. Combined Production of Electric Power and Heat: Proceedings of a Seminar Organized by the Committee on Electric Power of the United Nations Economic Commission for Europe, Hamburg, Federal Republic of Germany, 6-9 November 1978. Published for the United Nations by Pergamon Press, 1980.