???????, ?????? & ??????  ????????. 1985. ????????????????? ??????? ? ?????????????? ???????? (???????? ?????? ???? ? ??????????, ??????????, ???????? ? ????????? ????). ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 10. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 31?38.

???????, ??????. 1981. ???? ????????????? ???????? ?? ????? ????? ???? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 6. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 138?140.