Davies, D.W., author
John Wiley & Sons, 1979
Buku Teks
Stalling, William, author
Maxwell Macmillan International, 1991
Buku Teks
Stallings, William, author
Macmillan, 1985
Buku Teks
Thurber, Kenneth J., author
IEEE Computer Society, 1981
Buku Teks
Stallings, William, author
Prentice-Hall, 2004
Buku Teks