Alekseev, Aleksandr (2011-12-07). "Мечта" для Марии Курсовой (in Russian). nworker.ru. Archived from the original on 23 July 2012. Retrieved 4 June 2012.
Alekseev, Aleksandr (2011-12-07). "Мечта" для Марии Курсовой (in Russian). nworker.ru. Archived from the original on 23 July 2012. Retrieved 4 June 2012.