ebrary, Inc, & Avery, M. D. (2013). Supporting a physiologic approach to pregnancy and birth: A practical guide. Wiley-Blackwell.
芝加哥风格引文ebrary, Inc, 与 Melissa D. Avery. Supporting a Physiologic Approach to Pregnancy and Birth: A Practical Guide. Ames, Iowa: Wiley-Blackwell, 2013.
MLA引文ebrary, Inc, 与 Melissa D. Avery. Supporting a Physiologic Approach to Pregnancy and Birth: A Practical Guide. Wiley-Blackwell, 2013.
警告：这些引文格式不一定是100％准确.