Cunningham, f. g. (2010). Williams Obstetrics. McGraw-Hill Book Company.
Lua i Stíl Chicago (17ú heag.)Cunningham, f. gary. Williams Obstetrics. McGraw-Hill Book Company, 2010.
Lua MLA (9ú heag.)Cunningham, f. gary. Williams Obstetrics. McGraw-Hill Book Company, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.