Cita APA (7th ed.)

Roddy, D., & Coolen, J. (1995). Electronic communications (3rd ed.). Prentice-Hall of India.

Cita Chicago (17th ed.)

Roddy, Dennis, i John Coolen. Electronic Communications. 3rd ed. New Delhi: Prentice-Hall of India, 1995.

Cita MLA (9th ed.)

Roddy, Dennis, i John Coolen. Electronic Communications. 3rd ed. Prentice-Hall of India, 1995.