Lewis, T. L. T., & Chamberlain, G. (1990). Obstetrics by ten teachers (Fifteenth edition.). Edward Arnold.
Lua i Stíl Chicago (17ú heag.)Lewis, T. L. T., agus Geoffrey Chamberlain. Obstetrics by Ten Teachers. Fifteenth edition. London Melbourne: Edward Arnold, 1990.
Lua MLA (8ú heag.)Lewis, T. L. T., agus Geoffrey Chamberlain. Obstetrics by Ten Teachers. Fifteenth edition. Edward Arnold, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.