???????, ????. 1985. ????? ???????????? ????????? ?? ?????????????? ????????? ?? ??????????? ???????????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 10. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 122?123.

???????, ????. 1984. ????? ??????? ????? ?? ????????? ?? ???????-?????? ?????????????? ?????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 9. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 121?122.