The World Bank. (2004). World development indicators. World Bank.
Chicagoスタイル(17版)引用形式The World Bank. World Development Indicators. Washington, D.C.: World Bank, 2004.
MLA(8版)引用形式The World Bank. World Development Indicators. World Bank, 2004.
警告: この引用は必ずしも正確ではありません.