Amon, Elenore M., author
Prentice-Hall, 1991
Buku Teks
Siswanto, author
Fakultas Ilmu Komputer Universitas Indonesia, 1991
UI - Skripsi (Membership)
Lindberg, Kelley J., author
Novell Press , 1999
Buku Teks
Hein, Mathias, author
International Thomson Computer Press, 1997
Buku Teks
Intertext Publications, 1992
Buku Teks