Prentice-Hall, 2002
Multimedia
O`Donnell, Gerard, author
Macmillan, 1994
Buku Teks
Heslpo, Brent D., author
Sybex, 1990
Buku Teks
[publisher not identified], [date of publication not identified]
Buku Teks
Guset, Harry, author
Macmillan, 1989
Buku Teks