Parsons, L., & Sommers, S. (1963). Gynecology.
Lua i Stíl Chicago (17ú heag.)Parsons, Langdon, agus Sheldon Sommers. Gynecology. 1963.
Lua MLA (9ú heag.)Parsons, Langdon, agus Sheldon Sommers. Gynecology. 1963.
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