World Bank & ebrary, Inc. (2013). International debt statistics. World Bank.
芝加哥风格引文World Bank 与 Inc ebrary. International Debt Statistics. Washington, D. C.: World Bank, 2013.
MLA引文World Bank 与 Inc ebrary. International Debt Statistics. World Bank, 2013.
警告：这些引文格式不一定是100％准确.