Cita APA (7a ed.)

Couch, L. W. (2007). Digital and analog communication systems (7th ed.). Pearson/Prentice Hall.

Cita Chicago Style (17a ed.)

Couch, Leon W. Digital and Analog Communication Systems. 7th ed. Upper Saddle River, N.J. ; New Delhi: Pearson/Prentice Hall, 2007.

Cita MLA (8a ed.)

Couch, Leon W. Digital and Analog Communication Systems. 7th ed. Pearson/Prentice Hall, 2007.