Headington, Mark R.
Jones and Bartlett Publisher, 1997
Buku Teks
Nakamura, Shoichiro
Prentice-Hall, 1993
Buku Teks
Flores, Ivan
Prentice-Hall, 1971
Buku Teks
Rudi Susanto
Fakultas Ilmu Komputer Universitas Indonesia, 2004
UI - Skripsi (Membership)
Markowitz, Harry M.
Prentice-Hall, 1963
Buku Teks