Greenhill, J. P. (1940). Office gynecology (3d ed., rev. and enl.). The Year Book Publishers, inc.
Lua i Stíl Chicago (17ú heag.)Greenhill, J. P. Office Gynecology. 3d ed., rev. and enl. Chicago, Ill.: The Year Book Publishers, inc, 1940.
Lua MLA (8ú heag.)Greenhill, J. P. Office Gynecology. 3d ed., rev. and enl. The Year Book Publishers, inc, 1940.
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