Martin, George Edward, author
Springer-Verlag, 1982
Buku Teks
Gardner, Robert B., author
Society for Industrial and Applied Mathematics, 1989
eBooks
Modenov, P.S., author
Academic Press, 1965
Buku Teks
Coxeter, H. S. M.
John Wiley & Sons, 1980
Buku Teks
Keedy, Mervin L., author
Addison-Wesley Pub. Co. , 1965
Buku Teks