(EurActiv - 11/09/09, AP, Reuters, DPA, Sofia Echo, Novinite, Dnevnik, Mediapool, Europe.bg, Βουλγαρική Κυβέρνηση - 10/09/09)
(EurActiv - 11/09/09; AP, Reuters, DPA, Sofia Echo, Novinite, Dnevnik, Mediapool, Europe.bg, Bulgar Hükümeti - 10/09/09)