Schoenberg, Irene E. <br/><br/>
Focus On Grammar  A Basic Course For Reference and Practice 
Irene E. Schoenberg 
 - 2nd. ed. 
 - New York  Pearson / Longman  1999 
 - xvi, 455p.  ill.  27cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0201346761 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar problems, exercises. etc.<br/>English languages textbooks For Foreign Speakers