APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

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