?????, ?? ?????. 1980. ?? ????? ?????????? ?? ??????????? ? ?????????? ? ??????????? ????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 5. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 19?22.

?????, ?? ?????. 1979. ???? ?? ?????????????? ?????????? ?????????? ?? ????????? ?? ???????? ? ?????????? ? ??????????? ????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 4. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 22?34.

?????, ?? ?????. 1979. ?????????????? ?????????? ?????? ?? ?????????????? ????????? ???????? ? ?????????? ? ??????????? ????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 4. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 42?50.