????????, ?????. 1989. ???????????? ?? ????? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 14. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 7.

????????, ?????. 1979. ???????????? ?? ????????? ?? ???????? ????? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 4. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 86?87.