Gaya APA
Gary, Norman dkk. (2005).
Obstetri Williams (21).
Jakarta:
EGC.
Gaya Chicago
Gary, Norman dkk.
Obstetri Williams.
21
Jakarta:
EGC,
2005.
Text.
Gaya MLA
Gary, Norman dkk.
Obstetri Williams.
21
Jakarta:
EGC,
2005.
Text.
Gaya Turabian
Gary, Norman dkk.
Obstetri Williams.
21
Jakarta:
EGC,
2005.
Print.