World Bank. (2003). World development indicators: 2003. The world bank.
Chicagoスタイル(17版)引用形式World Bank. World Development Indicators: 2003. Washington: The world bank, 2003.
MLA(9版)引用形式World Bank. World Development Indicators: 2003. The world bank, 2003.
警告: この引用は必ずしも正確ではありません.