APA (7th ed.) Zitazioa
Smith, O., & Nguyen, S. N. (2013). Getting better: Improving health system results in Europe and Central Asia. World Bank.
Chicago Style (17th ed.) Zitazioa
Smith, Owen, eta Son Nam Nguyen. Getting Better: Improving Health System Results in Europe and Central Asia. Washington DC: World Bank, 2013.
MLA (9th ed.) Zitazioa
Smith, Owen, eta Son Nam Nguyen. Getting Better: Improving Health System Results in Europe and Central Asia. World Bank, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.