Cita APA (7th ed.)

Roddy, D., & By , C. (1995). Electronic communications (4th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Roddy, Dennis, i Coolen By. Electronic Communications. 4th ed. New Delhi: Prentice Hall, 1995.

Cita MLA (9th ed.)

Roddy, Dennis, i Coolen By. Electronic Communications. 4th ed. Prentice Hall, 1995.