APA Style
Cunningham...[et.al], F, G.
(2015).
Obstetri Williams Vol.1 ed.23
(
23)
.
Jakarta:
EGC.
MLA Style
Cunningham...[et.al], F., Gary.
"Obstetri Williams Vol.1 ed.23".
23
Jakarta:
EGC,
2015.
Textbook.