Langan, John,  1942- <br/><br/>
Sentence skills :  A workbook for writers : form A / 
John Langan. 
 - 6th ed. 
 - Boston :  McGraw-Hill,  c1998. 
 - xiv, 543 p. ;  24 cm. 
 - The Langan series .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070366721 (acid-free paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Sentences--Problems, exercises, etc.<br/>English language--Grammar--Problems, exercises, etc.