Rhodes, Richard. <br/><br/>
La granja cambiante. 

 - Washington-XXU :   U.S. Information Agency,   1978. 
 - p. 17-21  
 - Bimestral 
 - No. 29(1978) 
 - Horizonte Usa ;   No. 29 .
 - U.S. Information Agency. .
<br/><br/><br/>Espaņol.