IEEE Press, 1995
Buku Teks
Stanley, William D., author
Reston Publishing, 1984
Buku Teks
Kuc, Roman, author
McGraw-Hill, 1988
Buku Teks
Ifeachor, Emmanuel C., author
Prentice-Hall, 2002
Buku Teks
Burrus, C. Sidney, author
Paramount Communication Company, 1994
Buku Teks