APA
United Nations E. a. s. c., United Nations E. a. s. c., . (1975). Economic commission for Europe. New York: United Nations Publication.
Chicago
United Nations Economic and social council, United Nations Economic and social council, . 1975. Economic commission for Europe. New York: United Nations Publication.
Harvard
United Nations E. a. s. c., United Nations E. a. s. c., . (1975). Economic commission for Europe. New York: United Nations Publication.
MLA
United Nations Economic and social council, United Nations Economic and social council, . Economic commission for Europe. New York: United Nations Publication. 1975.
