Παραπομπή APA

Couch, L. W. (2001). Digital and analog communication system (6th ed.). Pearson Education.

Παραπομπή Chicago Style

Couch, Leon W. Digital and Analog Communication System. 6th ed. New Delhi: Pearson Education, 2001.

Παραπομπή MLA

Couch, Leon W. Digital and Analog Communication System. 6th ed. Pearson Education, 2001.