APA Style
CUNNINGHAM, Gary. (1995).
Obstetri Williams Edisi 18 .
Jakarta:
EGC.
Chicago Style
CUNNINGHAM, Gary.
Obstetri Williams Edisi 18.
Jakarta:
EGC,
1995.
Text.
MLA Style
CUNNINGHAM, Gary.
Obstetri Williams Edisi 18.
Jakarta:
EGC,
1995.
Text.
Turabian Style
CUNNINGHAM, Gary.
Obstetri Williams Edisi 18.
Jakarta:
EGC,
1995.
Print.