Gallian, Joseph A. <br/><br/>
Contemporary abstract algebra  Contemporary abstract algebra._4 Ed, New Delhi : Narosa Publishing House, 1999 
Joseph A. Gallian 
 - 4 
 - New Delhi  Narosa Publishing House  1999 
<br/><br/><label>ISBN: </label>81--7319-269-3 
<br/><br/><label>Dewey Class. No.: </label>512.8