Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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