United Nations Development Programme. (1990). Human development report. Oxford University Press.
Citazione stile Chigago Style (17a edizione)United Nations Development Programme. Human Development Report. New York: Oxford University Press, 1990.
Citatione MLA (9a ed.)United Nations Development Programme. Human Development Report. Oxford University Press, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.