Gilbert, William J., author
John Wiley & Sons, 1976
Buku Teks
Gardiner, C.F., author
Ellis Horwood, 1981
Buku Teks
Arya, Jagdish C., author
Prentice-Hall, 1983
Buku Teks
Koshy, Thomas, author
McGraw-Hill, 1986
Buku Teks
Kolman, Bernard, 1932-, author
Macmillan, 1976
Buku Teks