Trench, William F., author
Grove Brooks/Cole, 2000
Buku Teks
Giordano, Frank R., author
Addison-Wesley, 1991
Buku Teks
Hagin, Frank G., author
Prentica-Hall, 1975
Buku Teks
Ascher, Uri M., author
Society for Industrial and Applied Mathematics, 1998
eBooks
Farlow, Stanley J., author
John Wiley & Sons, 1982
Buku Teks