World Health Organization. (2003). Pregnancy, childbirth, postpartum and newborn care: A guide for essential practice. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Pregnancy, Childbirth, Postpartum and Newborn Care: A Guide for Essential Practice. Geneva: World Health Organization, 2003.
Citatione MLA (8a ed.)World Health Organization. Pregnancy, Childbirth, Postpartum and Newborn Care: A Guide for Essential Practice. World Health Organization, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.