Roddy, D., & Coolen, J. (1989). Electronic communications (3rd ed.). Prentice-Hall of India.
Citación estilo ChicagoRoddy, Dennis, y John Coolen. Electronic Communications. 3rd ed. New Delhi: Prentice-Hall of India, 1989.
Cita MLARoddy, Dennis, y John Coolen. Electronic Communications. 3rd ed. Prentice-Hall of India, 1989.
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