???????, ?????????, ??? . 1990. ???? ????? ?? ????????????? ????????? ?? ??????????? ? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 15. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 127.

???????, ?????????, ??? . 1988. ????? ????? ?? ????????????? ????????? ?? ??????????? ? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 13. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 230?231.

???????, ?????????, ??? . 1987. ????? ????? ?? ????????????? ????????? ?? ??????????? ? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 12. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 94?95.

???????, ?????????, ??? . 1987. ???? ??????????? ?? ??????????? ? ?????????? ? ????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 12. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 136.