APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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