Gaya APA
Cunnngham, G, F, E.
(2005).
Obstetri Williams Vol 1
(
21)
.
Jakarta:
EGC.
Gaya MLA
Cunnngham, Gary, F, Et.all.
"Obstetri Williams Vol 1".
21
Jakarta:
EGC,
2005.
PRINTED BOOK.