Gaya APA
Sofial, A. (2011).
Rustam Mohtar Sinopsis obstetri obsteri operatif obstetri sosial jilid 2 edisi 3 .
Jakarta:
EGC.
Gaya MLA
Sofial, Amru.
"Rustam Mohtar Sinopsis obstetri obsteri operatif obstetri sosial jilid 2 edisi 3".
Jakarta:
EGC,
2011.
Textbook.