APA-referens (7:e uppl.)

American Telephone and Telegraph Company & American Telephone and Telegraph Company. Information Dept. Bell Telephone magazine. American Telephone and Telegraph Co., etc.].

Chicago-referens (17:e uppl.)

American Telephone and Telegraph Company och American Telephone and Telegraph Company. Information Dept. Bell Telephone Magazine. [New York: American Telephone and Telegraph Co., etc.].

MLA-referens (8:e uppl.)

American Telephone and Telegraph Company och American Telephone and Telegraph Company. Information Dept. Bell Telephone Magazine. American Telephone and Telegraph Co., etc.].