Nutrition Programme World Health Organization. (2007). Neonatal and Perinatal Mortality. WHO.
Chicago Style aipamenaNutrition Programme World Health Organization. Neonatal and Perinatal Mortality. : WHO, 2007.
MLA aipamenaNutrition Programme World Health Organization. Neonatal and Perinatal Mortality. WHO, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.