Cita APA (7th ed.)

World Bank. (1981). World development report 1981. Published for the World Bank, Oxford University Press.

Cita Chicago (17th ed.)

World Bank. World Development Report 1981. New York ; Oxford: Published for the World Bank, Oxford University Press, 1981.

Cita MLA (8th ed.)

World Bank. World Development Report 1981. Published for the World Bank, Oxford University Press, 1981.