Jacob, Bill
Springer-Verlag, 1995
Buku Teks
Meyer, Carl D.
Society for Industrial and Applied Mathematics, 2000
eBooks
Campbell, Hugh G.
Prentice-Hall, 1977
Buku Teks SO
Johnston, John B.
Addison-Wesley, 1966
Buku Teks SO
Cullen, Charles G.
PWS-Kent Publishing, 1991
Buku Teks