Gaya APA

Cunningham, F, G, [, A., Pendit, B, U. (2012). Obstetri Williams (volume 1) (23rd Ed.). Jakarta: EGC.

Gaya MLA

Cunningham, F., Gary, [et, Al.]., Pendit, Brahm, U.. "Obstetri Williams (volume 1)". 23rd Ed. Jakarta: EGC, 2012. Text.