Gaya APA
Sofian, A. (2012).
Rustam Mochtar Sinopsis obstetri 2 : obstetri operatif, obstetri sosial. Ed. 3 .
Jakarta:
EGC.
Gaya MLA
Sofian, Amru.
"Rustam Mochtar Sinopsis obstetri 2 : obstetri operatif, obstetri sosial. Ed. 3".
Jakarta:
EGC,
2012.
Text.