एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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