APA (7th ed.) Zitazioa
(2017). OECD reviews of health systems: Costa Rica 2017. OECD.
Chicago Style (17th ed.) Zitazioa
OECD Reviews of Health Systems: Costa Rica 2017. Paris, [France]: OECD, 2017.
MLA (9th ed.) Zitazioa
OECD Reviews of Health Systems: Costa Rica 2017. OECD, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.