??????, ????. 2002. ?????? ???????????? ?? ??????? ?????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 27. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 161?164.

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