Proakis, John G., author
McGraw-Hill, 1995
Buku Teks
Roddy, Dennis, author
Prentice-Hall, 1984
Buku Teks
Bartee., Thomas C, author
Howard W. Sams & Company, 1989
Buku Referensi
Vandome, Nick, author
Financial World, 2012
Buku Teks
Betti, Silvello, author
John Wiley & Sons, 1995
Buku Teks