???????, ???????. 1987. XXXI ????? ???? ?? ?????? ???? ? ??????? ??? ???????. (???? ???). ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 12. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 121?122.

???????, ???????. 1987. ????? ???????????? ??????? ?? ???????????? ? ?????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 12. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 117?121.

???????, ???????. 1987. ????????? ????? ?? ???? ?????????????? ???????? ?? ??????? ? ?????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 12. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 122?123.

???????, ???????. 1985. ???????? ? ?????? ??????????? ???? ?? ?????? ???? ? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 10. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 127?128.