http://www.ub.es/geocrit/sn/sn-170-54.htm http://tecnoemocion.wordpress.com/2010/05/21/p2p-historia-y-futuro/
http://www.vsantivirus.com/lista-p2p.htm
http://www.conexionbrando.com/1316526-5-programas-p2p-que-hicieron-historia
http://mundogeek.net/etiqueta/p2p/
http://www.cimanti.es/detalle-noticias.php?id=85