World Bank. (2010). World development indicators 2010. World Bank.
Chicagoスタイル(17版)引用形式World Bank. World Development Indicators 2010. Washington, D.C.: World Bank, 2010.
MLA(9版)引用形式World Bank. World Development Indicators 2010. World Bank, 2010.
警告: この引用は必ずしも正確ではありません.