Practical English language teaching / 
Editor David Nunan. 
 - New York :  McGraw-Hill,  2003. 
 - 342 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>978-0-07-282062-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Languages ​​of the World