Barnett, Raymond A. <br/><br/>
Precalculus / 
Raymond Barnett, Michael Ziegler, Karl Byleen. 
 - International ed., 6th ed. 
 - New York :  McGraw-Hill ,  2008. 
 - xxiv, [1168] p. :  ill. ;  22 cm. 
<br/><br/> Previous ed.: Boston, Mass.: McGraw-Hill, 2001.  Includes index.  Formerly CIP. 
<br/><br/><label>ISBN: </label>9780071113199 ( pbk.) :  £36.99 0071113193 ( pbk.) :  £36.99 
<br/><br/><label>Nat. Bib. No.: </label>GBA685342  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry.