Cough, L. W. (1998). Modern communication systems: Principles and applications. PHI.
Citación estilo ChicagoCough, Leon W. Modern Communication Systems: Principles and Applications. New Delhi: PHI, 1998.
Cita MLACough, Leon W. Modern Communication Systems: Principles and Applications. PHI, 1998.
Warning: These citations may not always be 100% accurate.