Gaya APA
Sofian, A. (2011).
Rustam Mochtar Sinopsis Obstetri : Obstetri Operatif, Obstetri Sosial Edisi 3 Jilid 2 .
Jakarta:
EGC.
Gaya MLA
Sofian, Amru.
"Rustam Mochtar Sinopsis Obstetri : Obstetri Operatif, Obstetri Sosial Edisi 3 Jilid 2".
Jakarta:
EGC,
2011.
Text.