World Bank. (1981). World development report 1981. Published for the World Bank, Oxford University Press.
Chicagoスタイル(17版)引用形式World Bank. World Development Report 1981. New York ; Oxford: Published for the World Bank, Oxford University Press, 1981.
MLA(8版)引用形式World Bank. World Development Report 1981. Published for the World Bank, Oxford University Press, 1981.
警告: この引用は必ずしも正確ではありません.