APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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