Biggs, Norman L., author
Clarendon Press, 1989
Buku Teks
by V.A. Dyck ... [and others]
Prentice-Hall, 1982
Buku Teks
Glinert, Ephraim P.
Prentice Hall International, 1983
Buku Teks SO
Cooper, James W., author
John Wiley & Sons, 1981
Buku Teks
Findlay, William, 1947-, author
Computer Science Press, 1987
Buku Teks