May, Claire B., author
Upper saddle river, 2009
Buku Teks
Heffernan, James A.W., author
W.W. Norton & Company, 1986
Buku Referensi
Higham, Nicholas J., 1961- , author
Society for Industrial and Applied Mathematics, 1998
eBooks
Heffernan, James A. W., author
W.W. Norton & Company, 1990
Buku Referensi
Bowman, Francis J, author
Iowa W.M.C. Brown, 1951
Buku Teks