Bendell, Tony, author
Elex Media Komputindo, 2000
Buku Teks
Chase, Richard B., author
McGraw-Hill, 2001
Buku Teks
Bateman, Thomas S., author
McGraw-Hill, 1999
Buku Teks
DK Multimedia, 1999
Multimedia
Porter, Michael E., author
The Free Press, 1985
Buku Teks