APA aipamena

United Nations Development Programme. (1991). Human development report 1991. Oxford University Press for the U.N.D.P..

Chicago Style aipamena

United Nations Development Programme. Human Development Report 1991. New York: Oxford University Press for the U.N.D.P., 1991.

MLA aipamena

United Nations Development Programme. Human Development Report 1991. Oxford University Press for the U.N.D.P., 1991.