Barrante, James R.
Pearson Prentice Hall, 2004
Buku Teks
Friedman, Avner
Society for Industrial and Applied Mathematics, 1994
eBooks
Armstrong, James W.
Macmillan, 1976
Buku Teks
Campbell, Hugh G.
Macmillan, 1974
Buku Teks
Rothenberg, Ronald I.
John Wiley & Sons, 1980
Buku Teks