Greenhill, J. p. The Year book of obstetrics and gynecology (13. ed.).
Chicago Style (17th ed.) CitationGreenhill, J. páginas. The Year Book of Obstetrics and Gynecology. 13. ed.
MLA引文Greenhill, J. páginas. The Year Book of Obstetrics and Gynecology. 13. ed.
警告：這些引文格式不一定是100％准確.