Blake, R. (2008). Electronic communication systems (2nd ed.). Delmar/Thomson Learning.
Cita Chicago (17th ed.)Blake, Roy. Electronic Communication Systems. 2nd ed. Australia: Delmar/Thomson Learning, 2008.
Cita MLA (9th ed.)Blake, Roy. Electronic Communication Systems. 2nd ed. Delmar/Thomson Learning, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.