American Telephone and Telegraph Company & American Telephone and Telegraph Company. Information Dept. Bell Telephone magazine. American Telephone and Telegraph Co., etc.].
Lua i Stíl Chicago (17ú heag.)American Telephone and Telegraph Company agus American Telephone and Telegraph Company. Information Dept. Bell Telephone Magazine. [New York: American Telephone and Telegraph Co., etc.].
Lua MLA (8ú heag.)American Telephone and Telegraph Company agus American Telephone and Telegraph Company. Information Dept. Bell Telephone Magazine. American Telephone and Telegraph Co., etc.].
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.