Richards, J.C. <br/><br/>
Breakthrough 1:  a course in English communication practice: work book / 
J.C. Richards and M.N. Long 
 - Oxford :  Oxford University Press,  1984. 
 - 56 p., 
<br/><br/><label>ISBN: </label>0194253619 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Language.
<br/><br/><label>Dewey Class. No.: </label>420.7