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