Burns, James MacGregor. <br/><br/>
Gobierno Presidential  El crisol de la soberania 
James MacGregor ; versión española Rafael Quijano R. 
 - México  Editorial Limusa  1967. 
 - 438 p. 
<br/><br/> Translation of : Presidential Government : the crucible of leadership. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Presidents--United States.<br/>Executive power--United States.
<br/><br/><label>LC Class. No.: </label>KF 5051  / .B852 1967 
<br/><br/><label>Dewey Class. No.: </label>353.03