Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.