Bald, W. D. <br/><br/>
Active grammar / 
W. D. Bald, D. J. Cobb, A. Schwarz 
 - England  Longman  1986 
 - viii, 152p.  ill.  22cm. 
<br/><br/><label>ISBN: </label>0582517389  RM17.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar ---1950-