Trigg Roger <br/><br/>
Reason and commitment 

 - Cambridge  Cambridge University Press      
 - 172p.  cm. 
<br/><br/><label>ISBN: </label>0 521 20119 5 (hbk) 
<br/><br/><label>Standard No.: </label>66530 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Dewey Class. No.: </label>Rz7, L31