Gaya APA
...(et.al), F, G, C.
(2005).
Obstetri Williams Vol. 2
(
Edisi 21 Vol. 2)
.
Jakarta:
EGC.
Gaya MLA
...(et.al), F., Gary, Cunningham.
"Obstetri Williams Vol. 2".
Edisi 21 Vol. 2
Jakarta:
EGC,
2005.
Text.