APA
"United Nations E. a. S. A. (. D. o., "United Nations E. a. S. A. (. D. o., . (1977). Introduction and administration of position classification and pay plans. New: York United Nations USA.
Chicago
"United Nations Economics and Social Affaris ( Department of...)", "United Nations Economics and Social Affaris ( Department of...)", . 1977. Introduction and administration of position classification and pay plans. New: York United Nations USA.
Harvard
"United Nations E. a. S. A. (. D. o., "United Nations E. a. S. A. (. D. o., . (1977). Introduction and administration of position classification and pay plans. New: York United Nations USA.
MLA
"United Nations Economics and Social Affaris ( Department of...)", "United Nations Economics and Social Affaris ( Department of...)", . Introduction and administration of position classification and pay plans. New: York United Nations USA. 1977.