Stack, E.M. <br/><br/>
The Language Laboratory and Modern Language Teaching/ 

 - 3rd ed. 
 - London  Oxford University Press  1971 
 - xv; 313p.  ill. 
<br/><br/><label>ISBN: </label>0194370437 
<br/><br/><label>LC Class. No.: </label>PB35  / .St2 1971