(BTA, Sega, Standart, Europe.bg, Oil & Gas Eurasia - 01/12/10, Reuters, BTA, Πρακτορείο Ειδήσεων Σόφιας, Dnevnik.bg, Mediapool, The Banker, Publics.bg, ANSA, Xinhua, Επίσημος δικτυακός τόπος Βουλγαρικής κυβέρνησης - 30/11/10)
(BTA, Sega, Standart, Europe.bg, Oil & Gas Eurasia - 01/12/10; Reuters, BTA, Sofia Haber Ajansı, Dnevnik.bg, Mediapool, The Banker, Publics.bg, ANSA, Xinhua, Bulgaristan Hükümeti Resmi İnternet Sitesi - 30/11/10)