Cunningham, f. g., & PENDIT, B. (2012). Obstetri Williams 1. EGC.
Lua i Stíl Chicago (17ú heag.)Cunningham, f. gary, agus Brahm.U PENDIT. Obstetri Williams 1. EGC, 2012.
Lua MLA (9ú heag.)Cunningham, f. gary, agus Brahm.U PENDIT. Obstetri Williams 1. EGC, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.