Comparative and international library science / 
ed. by John F. Harvey. 
 - Metuchen (E.U.A.) :  Scarecrow,  1977. 
 - 286 p. 
<br/><br/><label>ISBN: </label>0810810603 
<br/><br/><label>Encabezamiento--Tema: </label><br/>BIBLIOTECONOMIA COMPARADA