Frohlich, Norman <br/><br/>
Political leadership and collective goods / 
by Norman Frohlich, Joe A Oppenheimer and Oran R Young 
 - New Jersey :  Princeton university press,  1971. 
<br/><br/><label>ISBN: </label>06910753387 
<br/><br/><label>Dewey Class. No.: </label>301.592  / FRO.P