World Bank & ebrary, Inc. (2008). The little data book. World Bank.
Chicagoスタイル(17版)引用形式World Bank , Inc ebrary. The Little Data Book. Washington, D. C.: World Bank, 2008.
MLA(9版)引用形式World Bank , Inc ebrary. The Little Data Book. World Bank, 2008.
警告: この引用は必ずしも正確ではありません.