Gaya APA
Joseph, H. (2011).
The Johns Hopkins Manual of Gynecology and Obstetrics (4th.ed.).
America:
Lippicott Williams and Wilkins.
Gaya MLA
Joseph, Hurt.
"The Johns Hopkins Manual of Gynecology and Obstetrics".
4th.ed.
America:
Lippicott Williams and Wilkins,
2011.
Text.