Larson Ron <br/><br/>
Precalculus.:  A Graphing Approach 

 - 5th edition 
 - U.S.A.  Houghton Mifflin Company  2008 
 - xviii,various numbering.:  ill.; 
<br/><br/><label>ISBN: </label>9780495832072 
<br/><br/><label>LC Class. No.: </label>QA 331.3  / LAR 2008