Gaya APA
Cunningham,…[et.al], F, G.
(2004).
Obstetri Williams, vol.1
(
21)
.
Jakarta:
EGC.
Gaya MLA
Cunningham,…[et.al], F., Gary.
"Obstetri Williams, vol.1".
21
Jakarta:
EGC,
2004.
Text.