Blake, R. (2002). Electronic communication systems (2nd. ed.). Thomson Delmar.
Chicago Style aipamenaBlake, Roy. Electronic Communication Systems. 2nd. ed. Australia: Thomson Delmar, 2002.
MLA aipamenaBlake, Roy. Electronic Communication Systems. 2nd. ed. Thomson Delmar, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.