Freund, John E.
Prentice-Hall, 1981
Buku Teks SO
Sanders, Donald H.
McGraw-Hill, 1995
Buku Teks SO
Anderson, Alan J.B.
Chapman and Hall , 1989
Buku Teks SO
Arnold, Barry C.
Society for Industrial and Applied Mathematics, 2008
eBooks
Freund, John E.
Prentice-Hall, 1974
Buku Teks SO