Long, Larry E.
Prentice-Hall, 1994
Buku Teks
edited by Greg Astfalk
Society for Industrial and Applied Mathematics, 1996
eBooks
Nickerson, Raymon S.
MIT Press, 1986
Buku Teks
Bywater, R.E.H.
Prentice-Hall, 1981
Buku Teks
Norton`s, Peter
McGraw-Hill , 2006
Buku Teks