???????, ?????? & ????  ?????????. 1994. ???????? ???????????? ?? ??????????? ???????? ????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 19. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 14?19.

???????, ?????? & ????  ?????????. 1994. ???????????? ??????? ??????? ? ?????????? ? ???????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 19. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 18?25.

???????, ??????. 1992. ????????????????? ???????? ??? ????????? ?? ????????? ??????? ?? ?????? ????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 17. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 42?51.