APA
"United Nations E. a. S. a. (. o., "United Nations E. a. S. a. (. o., . (1970). Transport modes and technologies for development. New: York United Nations USA.
Chicago
"United Nations Economic and Social affairs (Deptt of-", "United Nations Economic and Social affairs (Deptt of-", . 1970. Transport modes and technologies for development. New: York United Nations USA.
Harvard
"United Nations E. a. S. a. (. o., "United Nations E. a. S. a. (. o., . (1970). Transport modes and technologies for development. New: York United Nations USA.
MLA
"United Nations Economic and Social affairs (Deptt of-", "United Nations Economic and Social affairs (Deptt of-", . Transport modes and technologies for development. New: York United Nations USA. 1970.
