Yule, George. <br/><br/>
The study of language/ 
By George Yule. 
 - 5th. edition. 
 - Cambridge:  Cambridge University Press,  2010. 
 - 320p. 
<br/><br/><label>ISBN: </label>9780521749220 
<br/><br/><label>LC Class. No.: </label>P107   / YUL2010