BB Carlson, A. B. Communications Systems. 5ª ed. McGraw-Hill, 2010
BC Proakis, John G. Communication systems engineering / John G. Proakis, Masoud Salehi . 2nd ed. Englewood Cliffs, New Jersey : Prentice Hall, cop. 2001
BC Sklar, Bernard. Digital communications : fundamentals and applications / Bernard Sklar . 2nd ed. Upper Saddle River, New Jersey : Prentice-Hall PTR, 2001