Gaya APA
Cunningham, F., et.all, N, F.
(2005).
Obstetri Wiliams Vol.2
(
21)
.
Jakarta:
EGC.
Gaya MLA
Cunningham, F.Gary., et.all, Norman, F.Gant,.
"Obstetri Wiliams Vol.2".
21
Jakarta:
EGC,
2005.
PRINTED BOOK.