APA (7e ed.) Bronvermelding

Não informado. (2001). The Bell System Technical Journal. American Telephone and Telegraph Company.

Chicago (17e ed.) Bronvermelding

Não informado. The Bell System Technical Journal. New York: American Telephone and Telegraph Company, 2001.

MLA (8e ed.) Bronvermelding

Não informado. The Bell System Technical Journal. American Telephone and Telegraph Company, 2001.

Let op: Deze citaties zijn niet altijd 100% accuraat.