Gaya APA

SOFIAN, A. (2011). Sinopsis Obstetri : Obstetri Operatif Obstetri Sosial Jilid 2 (1). Jakarta: EGC.

Gaya MLA

SOFIAN, AMRU. "Sinopsis Obstetri : Obstetri Operatif Obstetri Sosial Jilid 2". 1 Jakarta: EGC, 2011. Text.