Roddy, D., & Coolen, J. (1995). Electronic communications (3rd ed.). Prentice-Hall of India.
Chicago Style (17th ed.) ZitazioaRoddy, Dennis, eta John Coolen. Electronic Communications. 3rd ed. New Delhi: Prentice-Hall of India, 1995.
MLA (9th ed.) ZitazioaRoddy, Dennis, eta John Coolen. Electronic Communications. 3rd ed. Prentice-Hall of India, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.