APA (7th ed.) Zitazioa
Banco Mundial. (2003). World Bank Group: Working for a World Free of Poverty.
Chicago Style (17th ed.) Zitazioa
Banco Mundial. World Bank Group: Working for a World Free of Poverty. 2003.
MLA (9th ed.) Zitazioa
Banco Mundial. World Bank Group: Working for a World Free of Poverty. 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.