APA
United Nations E. a. S. A. (. o., United Nations E. a. S. A. (. o., . (1968). World economic survey. NA: NA.
Chicago
United Nations Economic and Social Affairs (Department of-), United Nations Economic and Social Affairs (Department of-), . 1968. World economic survey. NA: NA.
Harvard
United Nations E. a. S. A. (. o., United Nations E. a. S. A. (. o., . (1968). World economic survey. NA: NA.
MLA
United Nations Economic and Social Affairs (Department of-), United Nations Economic and Social Affairs (Department of-), . World economic survey. NA: NA. 1968.
