APA Style
Levono, Kenneth, Cunningham, F. Gary [at.al]. (2009).
Obstetri Williams Panduan Ringkas Edisi 21 (ed. 21).
Jakarta:
EGC.
Chicago Style
Levono, Kenneth, Cunningham, F. Gary [at.al].
Obstetri Williams Panduan Ringkas Edisi 21.
ed. 21
Jakarta:
EGC,
2009.
Text.
MLA Style
Levono, Kenneth, Cunningham, F. Gary [at.al].
Obstetri Williams Panduan Ringkas Edisi 21.
ed. 21
Jakarta:
EGC,
2009.
Text.
Turabian Style
Levono, Kenneth, Cunningham, F. Gary [at.al].
Obstetri Williams Panduan Ringkas Edisi 21.
ed. 21
Jakarta:
EGC,
2009.
Print.