Millman, S. (1984). A History of engineering and science in the bell system: Communications sciences (1925-1980). The United States of America: AT&T Bell Laboratories.
Dyfyniad Arddull ChicagoMillman, S. A History of Engineering and Science in the Bell System: Communications Sciences (1925-1980). The United States of America: AT&T Bell Laboratories, 1984.
Dyfyniad MLAMillman, S. A History of Engineering and Science in the Bell System: Communications Sciences (1925-1980). The United States of America: AT&T Bell Laboratories, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.