Gaya APA
Ralph, B.
(2008).
Buku Saku Obstetro and Ginekologi
(
9th.ed.)
.
Jakarta:
EGC.
Gaya MLA
Ralph, Benson.
"Buku Saku Obstetro and Ginekologi".
9th.ed.
Jakarta:
EGC,
2008.
Text.