Aufmann, Richard N.,Vernon C. Barker Natron D. Richard <br/><br/>
College Algebra / 

 - Boston  Houghton  1997 
 - 548p. 
<br/><br/><label>ISBN: </label>395786444 
<br/><br/><label>LC Class. No.: </label>SLB QA 154.2  /  .A94 1997