World Bank. Development Data Group, World Bank, & ebrary, Inc. (2008). Little data book on external debt. World Bank.
芝加哥风格引文World Bank. Development Data Group, World Bank, 与 Inc ebrary. Little Data Book on External Debt. Washington: World Bank, 2008.
MLA引文World Bank. Development Data Group, et al. Little Data Book on External Debt. World Bank, 2008.
警告：这些引文格式不一定是100％准确.