Gaya APA
      Martius,Gerhard, . (1997).
    bedah Kebidanan : Operative Obstetrics indications and techniques (Ed. 12).
     Jakarta:
  EGC.
  
Gaya MLA
      Martius,Gerhard, .
    "bedah Kebidanan : Operative Obstetrics indications and techniques".
    Ed. 12
     Jakarta:
  EGC,
  1997.
  Monograf.