APA引文

F. Gary Cunningham, & Rudi Setia. (2012). Obstetri Williams. Jakarta: EGC.

Chicago Style Citation

F. Gary Cunningham, and Rudi Setia. Obstetri Williams. Jakarta: EGC, 2012.

MLA引文

F. Gary Cunningham, and Rudi Setia. Obstetri Williams. Jakarta: EGC, 2012.

警告：這些引文格式不一定是100％准確.