Swokowski, Earl W. <br/><br/>
Calculas / 
Earl W. Swokowski, Michael Olinick [et all] 
 - 6th ed. 
 - Islamabad :  National Book Foundation,  2008.. 
 - (i-v) p. ;  28 cm. 
<br/><br/><label>Dewey Class. No.: </label>515