APA
United Nations Economic and social affairs (Department of-), United Nations Economic and social affairs (Department of-), . (1957). World economic survey, 1956. NA: NA.
Chicago
United Nations Economic and social affairs (Department of-), United Nations Economic and social affairs (Department of-), . 1957. World economic survey, 1956. NA: NA.
Harvard
United Nations Economic and social affairs (Department of-), United Nations Economic and social affairs (Department of-), . (1957). World economic survey, 1956. NA: NA.
MLA
United Nations Economic and social affairs (Department of-), United Nations Economic and social affairs (Department of-), . World economic survey, 1956. NA: NA. 1957.