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.
芝加哥风格引文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引文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.
警告：这些引文格式不一定是100％准确.