Brewster, R. L. (1988). Telecommunications Technology. EWP.
Chicago Style (17th ed.) ZitazioaBrewster, R. L. Telecommunications Technology. New Delhi: EWP, 1988.
MLA (9th ed.) ZitazioaBrewster, R. L. Telecommunications Technology. EWP, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.