United Nations. Development Programme. (1999). Human development report 1999. Oxford University Press.
Citazione stile Chigago Style (17a edizione)United Nations. Development Programme. Human Development Report 1999. New York ; Oxford: Oxford University Press, 1999.
Citatione MLA (8a ed.)United Nations. Development Programme. Human Development Report 1999. Oxford University Press, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.