?????????, ?????. 1995. ????? ?????????? ??????????? ?? ?????????? ?? ??????????? ?????????? ???. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 20. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 115.

?????????, ?????. 1994. ??????? ? ???? ????????????? ????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 19. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 91.

?????????, ?????. 1993. ??????????? ?? ??????????? ?????????? ??? ??? ?????? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 18. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 150?151.