APA引文

The World Bank. (2006). Africa development indicators 2006. Washington, D.C: The World Bank.

Trích dẫn kiểu Chicago

The World Bank. Africa Development Indicators 2006. Washington, D.C: The World Bank, 2006.

MLA引文

The World Bank. Africa Development Indicators 2006. Washington, D.C: The World Bank, 2006.

警告:这些引文格式不一定是100%准确.