???????, ????????. 1988. ????? ?????? (1909?1987). ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 13. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 118?119.

???????, ????????. 1984. ??????? ??????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 9. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 123?124.