Gaya APA
Cunningham, F, G, [, A.
(2006).
Obstetri Williams : vol. 1
(
Ed. 21)
.
Jakarta:
EGC.
Gaya MLA
Cunningham, F., Gary, [et, Al.].
"Obstetri Williams : vol. 1".
Ed. 21
Jakarta:
EGC,
2006.
Text.