Polsby,Nelson W. <br/><br/>
Congress and The Presidency 
/ by Nelson W. Polsby 
 - 4th ed 
 - new delhi  prentice hall of india private limited  1989 
 - xvi,287p. 
<br/><br/><label>ISBN: </label>0-87692-613-8 
<br/><br/><label>Dewey Class. No.: </label>321.804  / POL/C