World Bank. (2012). International financial statistics: Yearbook. World Bank.
Chicagoスタイル(17版)引用形式World Bank. International Financial Statistics: Yearbook. Washington, D.C.: World Bank, 2012.
MLA(9版)引用形式World Bank. International Financial Statistics: Yearbook. World Bank, 2012.
警告: この引用は必ずしも正確ではありません.