World Bank & ebrary, Inc. (2006). Africa development indicators 2006. World Bank.
Citación estilo ChicagoWorld Bank and Inc ebrary. Africa Development Indicators 2006. Washington, D.C.: World Bank, 2006.
Cita MLAWorld Bank and Inc ebrary. Africa Development Indicators 2006. World Bank, 2006.
Warning: These citations may not always be 100% accurate.