Clark, Michael, author
Prentice-Hall, 1995
Buku Teks
Clark, David, 1946-, author
Alpha Books, 1995
Buku Teks
Bradley, Phil, author
Facet Publishing, 2004
Buku Teks
Levine, John R., author
IDG Books, 1994
Buku Teks
Brunner, Laurel, author
Mizan, 1999
Buku Teks