????????, ??????. 1994. ???????????? ?? ????????? ?? ????? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 19. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 126?130.

????????, ??????. 1993. ???????????? ?? ????????? ?? ?????? ?????? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 18. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 138?141.

????????, ??????. 1991. ???????????? ?? ????????? ?? ????? ?????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 16. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 111?114.