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