Coburn, John W. <br/><br/>
Precalculus 

 - Boston  Mc Graw Hill  2007 
 - xxxi,1275p.:  Col.ill.;  27cm. 
<br/><br/><label>ISBN: </label>139780073137414 
<br/><br/><label>Dewey Class. No.: </label>512.1/  / COB