HORNBY ALBERT SYDNEY

Oxford progressive english for adult learners [Text] / A. S. Hornby- London : Oxford University Press , 1958.– [n. c.] . Book 1 .– 196 p., ill. . : 11 tg.

JONES DANIEL

An english pronouncing dictionary [Text] : (showing the pronunciation of over 50000 words in international phonetic transcription) / D. Jones . – revised edition, with supplement ., . – London ; Toronto : J. M. Dent & Sons LTD, 1927. - 426 p. . . – [n. c.] (hard cover) : 11 tg.