Samuel Kotz, Norman L. Johnson, editors-in-chief
John Wiley & Sons, Inc., 1982
Buku Referensi
Barizi, K.M. Hasibuan, Bambang Sumantri, Oerip Santoso, Hudaya Kandahjaya, Muhammad Syamaun, Alex Hartana
Pusat Pembinaan dan Pengembangan Bahasa. Departemen Pendidikan dan Kebudayaan, 1984
Buku Referensi
Borovkov, K.A., author
Society for Industrial and Applied Mathematics, 1994
eBooks
Lifshitz, E.M., author
Pergamon Press, 1980
Buku Teks
Aitken, A.C., author
Oliver and Boyd , 1974
Buku Teks