BERNSTEIN, Robert A. DYER, James A. <br/><br/>
INTRODUCTION TO POLITICAL SCIENCE METHODS 

 - New Jersy  Prentice-Hall Incorporation, New Jersy   1979 
<br/><br/><label>ISBN: </label>0 13 493304 4 
<br/><br/><label>Dewey Class. No.: </label>320.018  / BER/IN