Gaya APA

Sofian, A. (2011). Rustam mochtar sinopsis obstetri: obstetri operatif, obstetri sosial (3). Jakarta: EGC.

Gaya MLA

Sofian, Amru. "Rustam mochtar sinopsis obstetri: obstetri operatif, obstetri sosial". 3 Jakarta: EGC, 2011. Text.