Elmore, William C.
McGraw-Hill, 1969
Buku Teks SO
Fife, Paul C.
Society for Industrial and Applied Mathematics, 1988
eBooks
Bajaj, N.K.
Tata McGraw-Hill , 1993
Buku Teks SO
Uscinski, B.J.
McGraw-Hill, 1977
Buku Teks SO
Baldock, G.R.
Ellis Horwood, 1981
Buku Teks SO