Johnson, Peter T. <br/><br/>
Latin American Research Review ;   vol. 8 no. 1 

 - New México-U.S  :   University of New México,   1987. 
 - p. 253-270 
 - Irregular 
 - Vol. XXII no. 3 (1987) 
 - Latin American Research Review ;   vol. 8 no. 1  0023-8791 .
 - Pennsylvania.   University of Pittsburgh. .
<br/><br/> Art¡culo dentro de: Review Essays. 
<br/><br/>Contiene: Facts, Statitics, Bibliographies.