Forouzan, Behrouz A., author
McGraw-Hill , 2003
Buku Teks
Halsall, Fred, author
Addison-Wesley, 1996
Buku Teks
Halsall, Fred, author
Addison-Wesley, 1996
Buku Teks
Keiser, Gerd E., author
GTE, [Date of publication not identified]
Buku Teks
Tangney, Brendan, author
Prentice-Hall, 1988
Buku Teks