The presidency and the political system  
/ ed. by Michael Nelson 
. - Washington   : A division of congressional quarterly, 1988
. - X-498 p.  ; 23 cm. 
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0871874385 
<br/><br/><label>Source: </label> Don du CCA 
<br/><br/><label>Universal Decimal Class. No.: </label>342.516.