APA引文

World Bank. (2013). Africa development indicators 2012/2013. The World Bank.

Chicago Style (17th ed.) Citation

World Bank. Africa Development Indicators 2012/2013. Washington, DC: The World Bank, 2013.

MLA引文

World Bank. Africa Development Indicators 2012/2013. The World Bank, 2013.

警告：這些引文格式不一定是100％准確.