Cita APA (7a ed.)

Blake, R. (2002). Electronic communication systems (2nd ed.). Delmar-Thomson Learning.

Cita Chicago Style (17a ed.)

Blake, Roy. Electronic Communication Systems. 2nd ed. Albany: Delmar-Thomson Learning, 2002.

Cita MLA (9a ed.)

Blake, Roy. Electronic Communication Systems. 2nd ed. Delmar-Thomson Learning, 2002.