Tyler, Andrew, author
SIGMA Press, 1994
Buku Referensi
Leonard Bolc, editor
[, Springer-Verlag ], 2012
eBooks
Artwick, Bruce A., author
Prentice-Hall, 1984.
Buku Teks
Wolfe, R. J., author
Oxford University Press, 2000
Buku Teks
College Station , 1995
Buku Teks