APA
United Nations. Economic Commission for Europe, United Nations. Economic Commission for Europe, . (1956). Organization of electric power service in europe. Geneva: United Nations.
Chicago
United Nations. Economic Commission for Europe, United Nations. Economic Commission for Europe, . 1956. Organization of electric power service in europe. Geneva: United Nations.
Harvard
United Nations. Economic Commission for Europe, United Nations. Economic Commission for Europe, . (1956). Organization of electric power service in europe. Geneva: United Nations.
MLA
United Nations. Economic Commission for Europe, United Nations. Economic Commission for Europe, . Organization of electric power service in europe. Geneva: United Nations. 1956.