Maternity Hospital. (1999). Maternal and neonatal outcome on instrumental delivery.
芝加哥风格引文Maternity Hospital. Maternal and Neonatal Outcome on Instrumental Delivery. 1999.
MLA引文Maternity Hospital. Maternal and Neonatal Outcome on Instrumental Delivery. 1999.
警告：这些引文格式不一定是100％准确.