Jurgen Munch
Springer-Verlag, 2012
eBooks
Fakultas Ilmu Komputer Universitas Indonesia, 2002
UI - Tesis (Membership)
Holdsworth, Jacqueline
McGraw-Hill, 1994
Buku Teks
Jacobson, Ivar
Addison-Wesley Longman, 1997
Buku Teks
Grady, Robert B., 1943-
Prentice-Hall, 1992
Buku Teks