Gaya APA
Cunningham, F, G.
(2006).
Obstetri Williams Edisi 21 Vol.2
(
Cet. 1)
.
Jakarta:
EGC.
Gaya MLA
Cunningham, F., Gary.
"Obstetri Williams Edisi 21 Vol.2".
Cet. 1
Jakarta:
EGC,
2006.
Text.