Vassiliou, M.S.
McGraw-Hill, 1992
Buku Referensi
Gilly, Daniel, author
O'Reilly & Associates, Inc., 1992
Buku Teks
Dettmana, Terry
Que Corporations, 1993
Buku Referensi
Winsor, Janice
Sun Microsystems Press, 1999
Buku Referensi
Open Software Foundation
Prentice-Hall, 1990
Buku Referensi