VARBERG, Dale. <br/><br/>
Calculas 

 - 7th Ed 
 - New Jersey,  Prentice Hall Upper Sadolle R  iver       1997 
 - xv, 915p. 
<br/><br/><label>ISBN: </label>013518911X 
<br/><br/><label>Dewey Class. No.: </label>515