United Nation Development Programme. (1985). Generation: Portrait of the United Nations Development Programme. UNDP Division of Information.
Citazione stile Chigago Style (17a edizione)United Nation Development Programme. Generation: Portrait of the United Nations Development Programme. New York: UNDP Division of Information, 1985.
Citatione MLA (9a ed.)United Nation Development Programme. Generation: Portrait of the United Nations Development Programme. UNDP Division of Information, 1985.
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