Design Maxim Tkachuk, web-architecture by Volkova Dasha, Yuriy Sokolov, templated by Alexey Kovtanets, programming by Irina Batvina, Maxim Bielushkin, Sergey Bogatyrchuk, Borshchanenko Maksym, Vitaliy Galkin, Victor Lushkin, Dmitry Medun, Igor Sitnikov, Vladimir Tarasov, Alexander Filippov, Sergei Koshelev, Yaroslav Ostapiuk, Viktor Voitenko: 2011 - Сергей Левочкин - Top 100 самых влиятельных украинцев. In: korrespondent.net. Archiviert vom Original am 10. November 2011; abgerufen am 13. November 2011.
Design Maxim Tkachuk, web-architecture by Volkova Dasha, Yuriy Sokolov, templated by Alexey Kovtanets, programming by Irina Batvina, Maxim Bielushkin, Sergey Bogatyrchuk, Borshchanenko Maksym, Vitaliy Galkin, Victor Lushkin, Dmitry Medun, Igor Sitnikov, Vladimir Tarasov, Alexander Filippov, Sergei Koshelev, Yaroslav Ostapiuk, Viktor Voitenko: 2011 - Сергей Левочкин - Top 100 самых влиятельных украинцев. In: korrespondent.net. Archiviert vom Original am 10. November 2011; abgerufen am 13. November 2011.