Algebra :  Introductory and Intermediate / 
Aufmann Richard ; Vernon Barker ; Joanne Lockwood . 
 - 4th ed. 
 - Australia :  Brooks/Cole ,  2007. 
 - xxx,769 p.: 
<br/><br/><label>ISBN: </label>9780618609536 
<br/><br/><label>LC Class. No.: </label>QA152.2  / .A89  2007