APA
United Nations. Economic and Social Development (Department of ....), United Nations. Economic and Social Development (Department of ....), . (1992). Environmentally sound technology for sustainable d. New York: United Nations U. S. A.
Chicago
United Nations. Economic and Social Development (Department of ....), United Nations. Economic and Social Development (Department of ....), . 1992. Environmentally sound technology for sustainable d. New York: United Nations U. S. A.
Harvard
United Nations. Economic and Social Development (Department of ....), United Nations. Economic and Social Development (Department of ....), . (1992). Environmentally sound technology for sustainable d. New York: United Nations U. S. A.
MLA
United Nations. Economic and Social Development (Department of ....), United Nations. Economic and Social Development (Department of ....), . Environmentally sound technology for sustainable d. New York: United Nations U. S. A. 1992.