ebrary, Inc, & Collins, S. (2008). Oxford handbook of obstetrics and gynaecology (2nd ed.). Oxford University Press.
芝加哥风格引文ebrary, Inc, 与 Sally Collins. Oxford Handbook of Obstetrics and Gynaecology. 2nd ed. Oxford ; New York: Oxford University Press, 2008.
MLA引文ebrary, Inc, 与 Sally Collins. Oxford Handbook of Obstetrics and Gynaecology. 2nd ed. Oxford University Press, 2008.
警告：这些引文格式不一定是100％准确.