Coba jelasin Rujukan dari Western Electric dalam bahasa melayu dong

Adams, Stephen B., and Orville R. Butler. Manufacturing the Future: A History of Western Electric. Cambridge: Cambridge University Press, 1999. .

Fagen, M. D., ed. A History of Engineering and Science in the Bell System: Volume 1 The Early Years (1875–1925). New York: The [Bell Telephone] Laboratories, 1975. ISBN ?.

Fagen, M. D., ed. A History of Engineering and Science in the Bell System: Volume 2 National Service in War and Peace (1925–1975)''. New York: The [Bell Telephone] Laboratories, 1978. .