APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.