Varberg, Dale. <br/><br/>
Calculus / 
Dale Varberg. 
 - 7th ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  1997 
 - xv, 915, A54 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>013518911x 
<br/><br/><label>LCCN: </label>9615556