Gaya APA
Sofian, A. (2013).
Rustam Mochtar sinopsis obstetri : obstetri operatif obstetri sosial (2) (3th ed.).
Jakarta:
EGC.
Gaya MLA
Sofian, Amru.
"Rustam Mochtar sinopsis obstetri : obstetri operatif obstetri sosial (2)".
3th ed.
Jakarta:
EGC,
2013.
Text.