Brennan, Geoffrey, <br/><br/>
The reason of rules  constitutional political economy 
Geoffrey Brennan, James M. Buchanan. 
 - Cambridge  New York  Cambridge University Press  1985. 
 - xiv, 153 p.  ill.  24 cm. 
<br/><br/>Includes bibliographical footnotes and index. 
<br/><br/><label>ISBN: </label>0521256550 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics--Political aspects.<br/>Derecho Constitucional<br/>Contrato Social<br/>Economia--Aspectos políticos.<br/>Constitutional law<br/>Social contract