Langan, John  1942- <br/><br/>
English essentials  what every college student needs to know about grammar, punctuation, and usage 
John Langan, Beth Johnson. 
 - 2nd.ed 
 - New York  McGraw-Hill  c2009. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780073371603 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--Problems, exercises, etc.<br/>English language--Punctuation--Problems, exercises,etc.<br/>English language--Usage--Problems,exercises, etc.