Não informado. (2001). The Bell System Technical Journal. American Telephone and Telegraph Company.
Cita Chicago Style (17a ed.)Não informado. The Bell System Technical Journal. New York: American Telephone and Telegraph Company, 2001.
Cita MLA (8a ed.)Não informado. The Bell System Technical Journal. American Telephone and Telegraph Company, 2001.
Precaución: Estas citas no son 100% exactas.