Bell Telephone Laboratories. (2001). Bell Laboratories Record. Bell Telephone Laboratories.
Lua i Stíl Chicago (17ú heag.)Bell Telephone Laboratories. Bell Laboratories Record. Murray Hill, NJ: Bell Telephone Laboratories, 2001.
Lua MLA (8ú heag.)Bell Telephone Laboratories. Bell Laboratories Record. Bell Telephone Laboratories, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.