Cita APA

 Couch, L. W. (2013).  Digital and analog communication system.  Pearson.

Chicago Style Citation

 Couch, Leon W.  Digital and Analog Communication System.  Pearson, 2013.

Cita MLA

 Couch, Leon W.  Digital and Analog Communication System.  Pearson, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.