ebrary, Inc, & De Swiet, M. (2002). Medical disorders in obstetric practice (4th ed.). Blackwell Science.
芝加哥风格引文ebrary, Inc, 与 Michael De Swiet. Medical Disorders in Obstetric Practice. 4th ed. Malden, MA: Blackwell Science, 2002.
MLA引文ebrary, Inc, 与 Michael De Swiet. Medical Disorders in Obstetric Practice. 4th ed. Blackwell Science, 2002.
警告：这些引文格式不一定是100％准确.