??????, ????? ????. 1987. ?? ????????????? ?? ????. In , ??????? ???????. (??????? ???????). ?????: ????? ? ????????.

????????, ????. 1983. ????????? ??????????? ?? ??????? ??????????? ???????????, ?????????? ????????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 8. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 5?15.

????????, ????. 1980. ????? ?. ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 5. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 127?128.

????????, ????. 1978. ????? ???????? ?? ??????????? ?? ??????? ??????????? ????????? ?? ????????? ????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 3. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 58?69.