??????, ?????????. 1991. ???????????? ??????? ?? ?????????? ????.  ?????: ???.

??????, ????????? & ???????  ?????????. 1989. ???????????? ?? ???????? ??????? ?? ????? ?????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 14. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 110?111.

??????, ?????????. 1985. ??????????? ?? ?????????????? ??????? ?? ???????? ? ????????? ??? ????????????? ??????? ?? ??????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics ?. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 123?124.

??????, ?????????. 1982. ????????-?????????? ??????? ? ?????????? ? ?????? ????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 7. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 3?10.

??????, ?????????. 1982. ???????????? ?? ????????? ?? ?-? ??????? ????? ??????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 7. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 189?195.

??????, ??????? & ?????????  ??????. 1978. ??????????????? ?????????????? ?? ????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 3. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 3?10.

??????, ?????????. 1978. ??????????? ?? ??????? ?????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 3. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 12?20.