Gaya APA
Martius, G. (1997).
Bedah kebidanan martius (= Operative obstetrics indications and technique Heinrich Martius) (12th ed.).
Jakarta:
EGC.
Gaya MLA
Martius, Gerhard.
"Bedah kebidanan martius (= Operative obstetrics indications and technique Heinrich Martius)".
12th ed.
Jakarta:
EGC,
1997.
Text.