Newton, Harry, author
Telecom Books, 1998
Buku Referensi
Clayton, Jade, author
McGraw-Hill, 1998
Buku Referensi
International Engineering Consortium
Center Telecommunication Management, 2001
eBooks
Institut Teknologi Telkom, 2009
Majalah, Jurnal, Buletin
London: Tiger Books International, 1994,
Buku Referensi