Cita APA (7a ed.)

Roddy, D. (2004). Electronic communications (4.). Prentice Hall of India.

Cita Chicago Style (17a ed.)

Roddy, Dennis. Electronic Communications. 4. New Delhi: Prentice Hall of India, 2004.

Cita MLA (9a ed.)

Roddy, Dennis. Electronic Communications. 4. Prentice Hall of India, 2004.