World Health Organization. Technical Working Group. (1996). Care in normal birth: A practical guide. Maternal and Newborn Health/Safe Motherhood Unit, Family Reproductive Health, World Health Organization.
Chicago-viite (17. p.)World Health Organization. Technical Working Group. Care in Normal Birth: A Practical Guide. Geneva: Maternal and Newborn Health/Safe Motherhood Unit, Family Reproductive Health, World Health Organization, 1996.
MLA-viite (9. p.)World Health Organization. Technical Working Group. Care in Normal Birth: A Practical Guide. Maternal and Newborn Health/Safe Motherhood Unit, Family Reproductive Health, World Health Organization, 1996.
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