Writer's Digest Bokks, 1994
Buku Teks
VanderMey, Randal, author
Wadsworth and Cengage Learning, 2012
Buku Teks
Mcmahan, Elizabeth
McGraw-Hill, 1984
Buku Teks
Connelly, Mark, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Higham, Nicholas J., author
Society for Industrial and Applied Mathematics (SIAM), 1993
Buku Referensi