Aufmann, Richard. <br/><br/>
Intermediate Algebra with Applications / 
Richard Aufmann, Vernon Barker, Joanne Lockwood . 
 - 6th ed. 
 - Boston, MA :  Houghton Mifflin Co.,  2003. 
 - 732 p. 
<br/><br/><label>ISBN: </label>0618306161 
<br/><br/><label>LC Class. No.: </label>QA154.2  / .A39 2003