??????, ????. 1981. ???????????? ?? ????????? ?? ????. ????? ???????? (1972?1980). ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 6. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 161?164.

??????, ????. 1980. ???????-??????? ????????? ?? ?????????????? ???????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 5. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 120?123.