Gaya APA
Cunningham, F, G. et al
(2005).
Obstetri Williams, Vol. 1
(
Edisi 21)
.
Jakarta:
EGC.
Gaya MLA
Cunningham, F., Gary,...[et.al]. et al.
"Obstetri Williams, Vol. 1".
Edisi 21
Jakarta:
EGC,
2005.
Text.