Gaya APA
Norwitz, ., Schorge, .
(2008).
At a Glance Obstetri & Ginekologi
.
Jakarta:
Erlangga.
Gaya MLA
Norwitz, ., Schorge, .
"At a Glance Obstetri & Ginekologi".
Jakarta:
Erlangga,
2008.
Textbook.