Munroe, C. J.
David & Charles, 1979
Buku Teks
Mailloux, Robert J.
Artech House,, 1994
Buku Teks
Anderson, Janette J.
Prentice-Hall, 1997
Buku Teks
Maxwell, Rhoda J.
Allyn and Bacon, 1999
Buku Teks
Dakin, Karl J.
Illinois Probus Publishing Company , 1991
Buku Teks