Gaya APA
Martius, G. (1995).
Bedah kebidanan martius (operative obstetrics indications and techniques by heinrich martius) .
Jakarta:
EGC.
Gaya MLA
Martius, Gerhard.
"Bedah kebidanan martius (operative obstetrics indications and techniques by heinrich martius)".
Jakarta:
EGC,
1995.
Text.