Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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