APA (7th ed.) Zitazioa

Zupan, J., & Åhman, E. (2006). Neonatal and perinatal mortality: Country, regional and global estimates. World Health Organization.

Chicago Style (17th ed.) Zitazioa

Zupan, Jelka, eta Elisabeth Åhman. Neonatal and Perinatal Mortality: Country, Regional and Global Estimates. Geneva: World Health Organization, 2006.

MLA (9th ed.) Zitazioa

Zupan, Jelka, eta Elisabeth Åhman. Neonatal and Perinatal Mortality: Country, Regional and Global Estimates. World Health Organization, 2006.