APA
United Nations Economic and Social Affaris, United Nations Economic and Social Affaris, . (1973). Second United Nations desalination plant operation. New York: United Nations USA.
Chicago
United Nations Economic and Social Affaris, United Nations Economic and Social Affaris, . 1973. Second United Nations desalination plant operation. New York: United Nations USA.
Harvard
United Nations Economic and Social Affaris, United Nations Economic and Social Affaris, . (1973). Second United Nations desalination plant operation. New York: United Nations USA.
MLA
United Nations Economic and Social Affaris, United Nations Economic and Social Affaris, . Second United Nations desalination plant operation. New York: United Nations USA. 1973.