Nicholson, W. Keith. <br/><br/>
Introduction to abstract algebra / 
W. Keith Nicholson. 
 - 3rd ed. 
 - [S.l.] :  Wiley-Interscience,  2007. 
 - 534 p. ;  26 cm. 
<br/><br/><label>ISBN: </label>0471694924 9780471694922 
<br/><br/><label>Dewey Class. No.: </label>512.02