World Bank & ebrary, Inc. (2009). World Development Indicators. World Bank Publications.
Chicagoスタイル(17版)引用形式World Bank , Inc ebrary. World Development Indicators. Washington: World Bank Publications, 2009.
MLA(9版)引用形式World Bank , Inc ebrary. World Development Indicators. World Bank Publications, 2009.
警告: この引用は必ずしも正確ではありません.