World Bank. Africa Regional Office. Office of the Chief Economist, World Bank. Africa Regional Office. Operational Quality and Knowledge Services, World Bank. Development Data Group, & ebrary, Inc. (2010). The little data book on Africa. World Bank.
芝加哥风格引文World Bank. Africa Regional Office. Office of the Chief Economist, World Bank. Africa Regional Office. Operational Quality and Knowledge Services, World Bank. Development Data Group, 与 Inc ebrary. The Little Data Book on Africa. Washington, DC: World Bank, 2010.
MLA引文World Bank. Africa Regional Office. Office of the Chief Economist, et al. The Little Data Book on Africa. World Bank, 2010.
警告：这些引文格式不一定是100％准确.