Gaya APA
Sofian,Amru. (2011).
Sinopsis Obstetri .
Jakarta:
EGC.
Gaya Chicago
Sofian,Amru.
Sinopsis Obstetri.
Jakarta:
EGC,
2011.
Text.
Gaya MLA
Sofian,Amru.
Sinopsis Obstetri.
Jakarta:
EGC,
2011.
Text.
Gaya Turabian
Sofian,Amru.
Sinopsis Obstetri.
Jakarta:
EGC,
2011.
Print.