Aufmann, Richard. <br/><br/>
Intermediate algebra :  an applied approach / 
Richard N. Aufmann. 
 - 7th ed. 
 - Boston, MA :  Houghton Mifflin Co.,  2005. 
 - p. cm. 
<br/><br/><label>ISBN: </label>0618503080 
<br/><br/><label>LCCN: </label>2004-109077