World Health Organization. (2003). Pregnancy, childbirth, postpartum and newborn care: A guide for essential practice. World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Pregnancy, Childbirth, Postpartum and Newborn Care: A Guide for Essential Practice. Geneva: World Health Organization, 2003.
MLA-Zitierstil (8. Ausg.)World Health Organization. Pregnancy, Childbirth, Postpartum and Newborn Care: A Guide for Essential Practice. World Health Organization, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.