Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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