Não informado. (1941). Bell Telephone Magazine. American Telephone and Telegraph Company.
Lua i Stíl Chicago (17ú heag.)Não informado. Bell Telephone Magazine. New York: American Telephone and Telegraph Company, 1941.
Lua MLA (8ú heag.)Não informado. Bell Telephone Magazine. American Telephone and Telegraph Company, 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.