Teorías contemporaneas sobre las relaciones internacionales 
Stanley H. Hoffman. 
 - Madrid  Editorial Tecnos  1963, (1979 printing). 
 - 351 p.  24 cm. 
 - Semilla y surco .
<br/><br/> Translation of: Contemporary theory in international relations. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>8430908005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations