Hart H.L.A. <br/><br/>
Concept of law 

 - 2nd 
 - New Delhi  Oxford University Press India      2000 
 - 315p  cm. 
<br/><br/><label>ISBN: </label>0195664175 
<br/><br/><label>Standard No.: </label>18,612 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z, P2