(AFP, Sofia News Agency, BNN, Mediapool, Dnevnik, bTV, Ministerul bulgar de Interne - 16/11/04; Forbes, CNET, Sofia News Agency, bTV - 28/10/04; Europol)
(AFP, Sofia News Agency, BNN, Mediapool, Dnevnik, bTV, Ministria e brendshme bullgare - 16/11/04; Forbes, CNET, Sofia News Agency, bTV - 28/10/04; Europol)