Gaya APA

Penyunting, N, S. (2012). Obstetri Williams volume 1 (Ed. 23, Cet. 1, Vol. 1). Jakarta: .

Gaya MLA

Penyunting, Notoatmodjo,, Soekidjo. "Obstetri Williams volume 1". Ed. 23, Cet. 1, Vol. 1 Jakarta: , 2012. Text.