Não informado. (2001). The Bell System Technical Journal. American Telephone and Telegraph Company.
Chicago-Zitierstil (17. Ausg.)Não informado. The Bell System Technical Journal. New York: American Telephone and Telegraph Company, 2001.
MLA-Zitierstil (8. Ausg.)Não informado. The Bell System Technical Journal. American Telephone and Telegraph Company, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.