Forsyth, Will <br/><br/>
Skills plus :  Grammar and speaking advanced / 
W. Forsyth ; S. Lavender. 
 - Oxford :  Macmillan Heinemann English Language Teaching,  1998. 
 - 127 p ;  30 cm +  1 cas 
<br/><br/><label>ISBN: </label>0-435-25010-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>languages ​​of the world