Handi Chandra, author
Elex Media Komputindo, 2001
Buku Teks
Thomas, Robert M.
Sybex, 1991
Buku Referensi
Kirkpatrick, James M., author
Prentice-Hall, 1998
Buku Teks
Smith, Bud, author
Dinastindo, 1993
Buku Teks
Johnson, Frank J., author
McGraw-Hill, 1991
Buku Teks