APA (7th ed.) Zitazioa
(2013). Research for universal health coverage. World Health Organization.
Chicago Style (17th ed.) Zitazioa
Research for Universal Health Coverage. Geneva, Switzerland: World Health Organization, 2013.
MLA (9th ed.) Zitazioa
Research for Universal Health Coverage. World Health Organization, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.