Strevens, Peter. <br/><br/>
Teaching English as an international language :  from practice to principle / 
Peter Strevens. 
 - Oxford :  Pergamon Press,  1980. 
 - xi, 163 p. 
 - Language teaching methodology series .
<br/><br/><label>ISBN: </label>0080253334 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching--Foreign speakers.<br/>Language, Universal.