Bygate, Martin <br/><br/>
Speaking / 
M. Bygate, Editors C. N. Candlin and H. G. Widdowson. 
 - Oxford :  Oxford University Press,  1997. 
 - X, 125 p. :  ill. ;  25 cm. 
 - Language teaching .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Languages ​​of the World