?????????, ????????. 1987. ????? ???????????? ????????? ?? ???????????? ? ??????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 12. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 123?124.

?????????, ????????. 1983. ????????????? ????? ?V + ??,????????????? ?????? ?? ????????????? ? ?????????? ? ?????????? ????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 8. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 34?41.