APA (7th ed.) Zitazioa

World Bank. (2010). Africa Development Indicators 2010. The World Bank.

Chicago Style (17th ed.) Zitazioa

World Bank. Africa Development Indicators 2010. Washington, D.C: The World Bank, 2010.

MLA (9th ed.) Zitazioa

World Bank. Africa Development Indicators 2010. The World Bank, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.