Essential English for Foreign Students Eckersley, C.E. ; illustrations by Charles Salisbury, Burgess Sharrocks and Porteous Wood . – Revised edition ,- Sofia : Foreign Languages Press , 1967. – не указан
index
Book 3 .– 310 p., ill. . : 200 tg.
It aims at giving the student a sound knowledge of the essentials of both spoken and written English and taking him well ob the way to a mastery of idiomatic conversational and literary English