???????, ????. 1981. ?? ??????????? ? ??????????????? ? ????????????????? ???????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 6. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 17?24.

???????, ????. 1977. ??????????? ?????? ? ??????????? ?????? ???????????? ???? ??????? ???????? ????? ? ??????? ?????????? ???????????? (English loan-words in Bulgarian mariti. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 2. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 170?179.