????????, ???????? & ??????  ????????. 2002. ???? ??????????? ?? ????????? ?? ??????????????? ? ??????????? ?????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 27. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 204?208.

????????, ???????? & ??????  ????????. 2001. ??????????? ?? ??????????????? ? ??????????? ?????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 26. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 140?144.

????????, ???????? & ??????  ????????. 2000. ????? ??????????? ?? ????????? ?? ??????????????? ? ??????????? ????? (27.??.? 2.?.1999, ???????, ???????). ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 25. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 160?164.