Mitchell, A. R. (Andrew R.)
John Wiley & Sons, 1977
Buku Teks SO
Fried, Isaac
Academic Press, 1979
Buku Teks SO
Shampine, Laurence F.
Chapman & Hall, 1994
Buku Teks SO
Taylor, C.
Pineridge, 1981
Buku Teks SO
Mitchell, A. R. (Andrew R.)
John Wiley & Sons, 1980
Buku Teks SO