Aufmann, Richard N. <br/><br/>
Introductory Algebra :  an Applied Approach  
/Richard N. Aufmann, Vernon C. Barker. 
 - Fourth ed. 
 - Boston :  Houghton Mifflin Co.,  c1995. 
 - 486, 83, 5, 5 pages  ill. (some col.) ;  28 cm.