APA (7 वां संस्करण) प्रशस्ति पत्र

Couch, L. W. (2001). Digital and analog communication systems (Sixth edition.). Prentice Hall.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Couch, Leon W. Digital and Analog Communication Systems. Sixth edition. Upper Saddle River: Prentice Hall, 2001.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Couch, Leon W. Digital and Analog Communication Systems. Sixth edition. Prentice Hall, 2001.