Stallings, William, author
Prentice-Hall, 1994
Buku Teks
Rao, K.R., author
John Wiley & Sons, 2006
Buku Teks
Heijer, P.C. den, author
Elex Media Komputindo, 1987
Buku Teks
Muller, Nathan J., author
McGraw-Hill, 2000
Buku Referensi
Murphy, Herta A., author
McGraw-Hill , 1984
Buku Teks