APA (7th ed.) Zitazioa
(2015). The World Bank Group A to Z. The World Bank.
Chicago Style (17th ed.) Zitazioa
The World Bank Group A to Z. Washington, District of Columbia: The World Bank, 2015.
MLA (9th ed.) Zitazioa
The World Bank Group A to Z. The World Bank, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.