Gaya APA
Cunningham, F, G.
(2014).
Obstetri williams vol. 1 edisi 23
(
ed. 23)
.
Jakarta:
EGC.
Gaya MLA
Cunningham, F., Gary.
"Obstetri williams vol. 1 edisi 23".
ed. 23
Jakarta:
EGC,
2014.
PRINTED BOOK.