Yearbook on international communist affairs 1968./ 
Richard V. Allen, Editor 
 - Standford, California    Hoover Institution Press,   1969. 
 - xvii, 1165p.  
<br/><br/>Incluye refrencias bibliografías e indice 
<br/><br/><label>LC Class. No.: </label>HX1  / .Y4 1969