(1997). The year book of obstetrics, gynecology, and women's health. Mosby.
Cita Chicago (17th ed.)The Year Book of Obstetrics, Gynecology, and Women's Health. St. Louis: Mosby, 1997.
Cita MLA (8th ed.)The Year Book of Obstetrics, Gynecology, and Women's Health. Mosby, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.