the World Bank. (2008). Doing Business 2008. World Bank Group.
Chicagoスタイル(17版)引用形式the World Bank. Doing Business 2008. Washington: World Bank Group, 2008.
MLA(9版)引用形式the World Bank. Doing Business 2008. World Bank Group, 2008.
警告: この引用は必ずしも正確ではありません.