Greenhill, J. p. The Year book of obstetrics and gynecology (13. ed.).
Cita Chicago (17th ed.)Greenhill, J. páginas. The Year Book of Obstetrics and Gynecology. 13. ed.
Cita MLA (8th ed.)Greenhill, J. páginas. The Year Book of Obstetrics and Gynecology. 13. ed.
Atenció: Aquestes cites poden no estar 100% correctes.