Mark, Charles C. <br/><br/>
A Study of cultural policy in the United States / 
Charles C.Mark. 
 - París :  UNESCO,  1973. 
 - 43 p. 
 - Studies and documents on cultural policies.  United States .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>008. 001.1 (73)=20 "1973" MAR