World Bank. (2003). World development indicators 2003. Washington, D. C: The World Bank.
シカゴスタイル引用形World Bank. World Development Indicators 2003. Washington, D. C: The World Bank, 2003.
MLA引用形式World Bank. World Development Indicators 2003. Washington, D. C: The World Bank, 2003.
警告: この引用は必ずしも正確ではありません.