Παραπομπή APA

Cough, L. W. (1998). Modern communication systems: Principles and applications. PHI.

Παραπομπή Chicago Style

Cough, Leon W. Modern Communication Systems: Principles and Applications. New Delhi: PHI, 1998.

Παραπομπή MLA

Cough, Leon W. Modern Communication Systems: Principles and Applications. PHI, 1998.