??????, ????. 1983. ???????? ????? ???????? ???? ?? ???? ???????? ? ????????? ?? ?????????????? ????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 8. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 94?95.

??????, ????. 1979. ???????????? ????????? ???? ?????????? ? author = {???????? ?? ???????? ?? ??????? ? ??????}. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 4. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 89?91.

??????, ????. 1979. ??????? ???????? ?? ??????????? ?? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 4. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 43?55.