American telephone and telegraph co. (1922). AT & T Bell lab technical journal. American telephone and telegraph co.
Chicago ZitierstilAmerican telephone and telegraph co. AT & T Bell Lab Technical Journal. New York: American telephone and telegraph co, 1922.
MLA ZitierstilAmerican telephone and telegraph co. AT & T Bell Lab Technical Journal. American telephone and telegraph co, 1922.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.