APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.