توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

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