(FT, Mediapool, Dnevnik.bg - 16/12/10, Bloomberg, Reuters, DPA, Deutsche Welle, The Sofia Echo, Πρακτορείο ειδήσεων Σόφιας, Dnevnik.bg, Mediapool - 15/12/10)
(FT, Mediapool, Dnevnik.bg - 16/12/10; Bloomberg, Reuters, DPA, Deutsche Welle, The Sofia Echo, Sofia Haber Ajansı, Dnevnik.bg, Mediapool - 15/12/10)