Gurewich, Nathan, author
McGraw-Hill, 1992
Buku Teks
Miller, Mark A., author
M&T Books, 1991
Buku Referensi
Derfler, Frank J., author
Ziff-Davis Press, 1992
Buku Teks
Mizumori, Roger, author
Thomson Computer Press, 1995
Buku Teks
Madron, Thomas W., author
John Wiley & Sons, 1993
Buku Teks SO