OBSTETRI WILLIAMS & CUNNINGHAM, F. G. [. (2006). Obstetri williams vol.2.-- ed.21. EGc.
Lua i Stíl Chicago (17ú heag.)OBSTETRI WILLIAMS agus F. Gary [et.al] CUNNINGHAM. Obstetri Williams Vol.2.-- Ed.21. Jakarta: EGc, 2006.
Lua MLA (9ú heag.)OBSTETRI WILLIAMS agus F. Gary [et.al] CUNNINGHAM. Obstetri Williams Vol.2.-- Ed.21. EGc, 2006.
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