Gaya APA
Beckmann, C, R, E.
(2010).
Obstetrics and Gynecology
(
6)
.
Philadelphia:
Lippincott Williams & Wilkins.
Gaya MLA
Beckmann, Charless, R.B., Et.al..
"Obstetrics and Gynecology".
6
Philadelphia:
Lippincott Williams & Wilkins,
2010.
Teks (Text).