Kingsley, Simon
McGraw-Hill, 1992
Buku Teks
Rochmah
Fakultas Teknik Universitas Indonesia, 2000
UI - Laporan Penelitian
Hellings, S. J.
Centrex, 1967
Buku Teks
Cheney, Margaret
Society for Industrial and Applied Mathematics, 2009
eBooks
Edde, Byron
Prentice-Hall, 1993
Buku Teks