Gaya APA

Cunningham, F, G, [. (2013). [Williams obstetric. Bahasa Indonesia] Obstetri williams (Ed. 23). Jakarta: EGC.

Gaya MLA

Cunningham, F., Gary, [et.al]. "[Williams obstetric. Bahasa Indonesia] Obstetri williams". Ed. 23 Jakarta: EGC, 2013. Text.