APA
United Nations E. a. s. a. (. o., United Nations E. a. s. a. (. o., . (1977). Threshold analysis handbook. New York: United Nations USA.
Chicago
United Nations Economic and social affairs (Deptt of-), United Nations Economic and social affairs (Deptt of-), . 1977. Threshold analysis handbook. New York: United Nations USA.
Harvard
United Nations E. a. s. a. (. o., United Nations E. a. s. a. (. o., . (1977). Threshold analysis handbook. New York: United Nations USA.
MLA
United Nations Economic and social affairs (Deptt of-), United Nations Economic and social affairs (Deptt of-), . Threshold analysis handbook. New York: United Nations USA. 1977.
