Linguistics / 
H.G. Widdowson. 
 - Oxford :  Oxford University Press,  1996. 
 - 134 p. :  ill. 
 - Oxford introductions to language study .
<br/><br/><label>ISBN: </label>0194372065 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistics.<br/>Laguage and languages.