توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Joint Subcommittee on Development and Research of the Edison Electric Institute and the Bell Telephone System, Edison Electric Institute, & American Telephone and Telegraph Company. Engineering reports. Charles Francis Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Joint Subcommittee on Development and Research of the Edison Electric Institute and the Bell Telephone System, Edison Electric Institute, و American Telephone and Telegraph Company. Engineering Reports. New York,: Charles Francis Press.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Joint Subcommittee on Development and Research of the Edison Electric Institute and the Bell Telephone System, et al. Engineering Reports. Charles Francis Press.