World Health Organization. (2003). Pregnancy, childbirth, postpartum and newborn care: A guide for essential practice. World Health Organization.
Chicago-viite (17. p.)World Health Organization. Pregnancy, Childbirth, Postpartum and Newborn Care: A Guide for Essential Practice. Geneva: World Health Organization, 2003.
MLA-viite (8. p.)World Health Organization. Pregnancy, Childbirth, Postpartum and Newborn Care: A Guide for Essential Practice. World Health Organization, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.