APA
"United Nations E. a. S. A. (. o., "United Nations E. a. S. A. (. o., . (2000). Professionalism and ethics in the public service. New: York UN.
Chicago
"United Nations Economic and Social Affairs (Deptt of)", "United Nations Economic and Social Affairs (Deptt of)", . 2000. Professionalism and ethics in the public service. New: York UN.
Harvard
"United Nations E. a. S. A. (. o., "United Nations E. a. S. A. (. o., . (2000). Professionalism and ethics in the public service. New: York UN.
MLA
"United Nations Economic and Social Affairs (Deptt of)", "United Nations Economic and Social Affairs (Deptt of)", . Professionalism and ethics in the public service. New: York UN. 2000.