College writing skills 
Langan, John. 
 - Sixth edition. 
 -  McGraw-Hill.  2005 
 - 586 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-07-287186-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Language -- Grammar.
<br/><br/><label>Dewey Class. No.: </label>808.042 L25c 2005