Gaya APA

Norwitz, E, R., Schorge, J, O. (2008). At a Glance Obstetri & Ginekologi ( Obstetrics and Gynecology at a Glance ) Ed 2 (Ed. 2). Jakarta: Erlangga.

Gaya MLA

Norwitz, Errol, R.., Schorge, John, O.. "At a Glance Obstetri & Ginekologi ( Obstetrics and Gynecology at a Glance ) Ed 2". Ed. 2 Jakarta: Erlangga, 2008. Text.