APA
"United Nations E. a. S. A. (. o. S. O., "United Nations E. a. S. A. (. o. S. O., . (1975). Directory of international statistics. New: York The Author USA.
Chicago
"United Nations Economic and Social Affairs (Deptt of-) Statistical Office", "United Nations Economic and Social Affairs (Deptt of-) Statistical Office", . 1975. Directory of international statistics. New: York The Author USA.
Harvard
"United Nations E. a. S. A. (. o. S. O., "United Nations E. a. S. A. (. o. S. O., . (1975). Directory of international statistics. New: York The Author USA.
MLA
"United Nations Economic and Social Affairs (Deptt of-) Statistical Office", "United Nations Economic and Social Affairs (Deptt of-) Statistical Office", . Directory of international statistics. New: York The Author USA. 1975.
