APA
"United Nations E. A. S. A. (. o., "United Nations E. A. S. A. (. o., . (1972). Training of public service trainers. New: York United Nations USA.
Chicago
"United Nations Economic And Social Affairs (Deptt of-)", "United Nations Economic And Social Affairs (Deptt of-)", . 1972. Training of public service trainers. New: York United Nations USA.
Harvard
"United Nations E. A. S. A. (. o., "United Nations E. A. S. A. (. o., . (1972). Training of public service trainers. New: York United Nations USA.
MLA
"United Nations Economic And Social Affairs (Deptt of-)", "United Nations Economic And Social Affairs (Deptt of-)", . Training of public service trainers. New: York United Nations USA. 1972.
