Gaya APA
Sofian, A. (2011).
Sinopsis Obstetri : Obstetri Fisiologi, Obstetri Patologi Jilid 1 Edisi 3 (Ed. 3).
Jakarta:
EGC.
Gaya MLA
Sofian, Amru.
"Sinopsis Obstetri : Obstetri Fisiologi, Obstetri Patologi Jilid 1 Edisi 3".
Ed. 3
Jakarta:
EGC,
2011.
.