ebrary, Inc, Chapman, V., & Charles, C. (2013). The midwife's labour and birth handbook (3rd ed.). John Wiley & Sons.
芝加哥风格引文ebrary, Inc, Vicky Chapman, 与 Cathy Charles. The Midwife's Labour and Birth Handbook. 3rd ed. Chichester, West Sussex: John Wiley & Sons, 2013.
MLA引文ebrary, Inc, et al. The Midwife's Labour and Birth Handbook. 3rd ed. John Wiley & Sons, 2013.
警告：这些引文格式不一定是100％准确.