McDougal littell middle school: course 2 math / 
by Ron Larson et...al 
 - Evanston, Illinois:  McDougal Littell Inc,  2004. 
 - 297p.:  ill; 
<br/><br/><label>ISBN: </label>9780618256181 
<br/><br/><label>Dewey Class. No.: </label>510