Cita APA (7a ed.)

Couch, L. W. (2002). Digital and analog communication systems (6th ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Couch, Leon W. Digital and Analog Communication Systems. 6th ed. Upper Saddle River, New Jersey: Prentice-Hall, 2002.

Cita MLA (9a ed.)

Couch, Leon W. Digital and Analog Communication Systems. 6th ed. Prentice-Hall, 2002.