United Nations Development Programme. (1985). Generation, portrait of the United Nations Development Programme. UNDP, Division of Information, United Nations : Available from United Nations Publications.
Citazione stile Chigago Style (17a edizione)United Nations Development Programme. Generation, Portrait of the United Nations Development Programme. New York: UNDP, Division of Information, United Nations : Available from United Nations Publications, 1985.
Citatione MLA (8a ed.)United Nations Development Programme. Generation, Portrait of the United Nations Development Programme. UNDP, Division of Information, United Nations : Available from United Nations Publications, 1985.
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