APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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