Fejer, Peter A.
Springer-Verlag, 1991
Buku Teks
Arnold, A.
Prentice-Hall, 1996
Buku Teks
Forsythe, Alexander I.
John Wiley & Sons Inc. , 1970
Buku Teks
Athur L. Anger...[et.al]
John Wiley & Sons, 1972
Buku Teks
Brown, P. Charles
Oxford University Press, 1984
Buku Teks