United Nations Development Programme. (1990). Human development report 1990. Oxford University Press for the U.N.D.P..
Citazione stile Chigago Style (17a edizione)United Nations Development Programme. Human Development Report 1990. New York: Oxford University Press for the U.N.D.P., 1990.
Citatione MLA (8a ed.)United Nations Development Programme. Human Development Report 1990. Oxford University Press for the U.N.D.P., 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.