Barnes, R. (1979). Urologia.
Lua i Stíl Chicago (17ú heag.)Barnes, Roger. Urologia. 1979.
Lua MLA (9ú heag.)Barnes, Roger. Urologia. 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)