DOKTOR DER RECHTE Article Prowotorow G. We speak Legal English, German, French, Spanish, Chinese : Students' Annual Conference. Российский университет дружбы народов (РУДН). 2012. P. 96-97
THE FEDERAL SECURITY SERVICE OF THE RUSSIAN FEDERATION Article Babich N. We speak Legal English, German, French, Spanish, Chinese : Students' Annual Conference. Российский университет дружбы народов (РУДН). 2012. P. 19-20