Boardman,Roy <br/><br/>
Over to you  : oral/aural skills for advanced students of english; teacher'book 
/ Roy Boardman 
. - Cambridge  : Cambridge university press, c,1980
. - 81 p.  : couv.ill  ; 21 cm. 
<br/><br/><label>ISBN: </label>0521221374 
<br/><br/><label>Source: </label> Don 
<br/><br/><label>Universal Decimal Class. No.: </label>372.802.