The Cambridge English Course / 

Michael Swan, Catherine Walter . 

 - New York :  Cambridge University  Press,  1987 . 
<br/><br/><label>ISBN: </label>0521316278 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Language--Textbooks for foreign speakers
<br/><br/><label>LC Class. No.: </label>PE1128.A2