Ulrich's international periodicals directory, 1975-1976 
/by Bowker Company. 
 - 16 ed. 
 - New York, NY :  Bowker,  1975. 
 - 2289 p. 
<br/><br/><label>ISBN: </label>0835208249 
<br/><br/><label>LCCN: </label>83554 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Publicaciones periódicas--Directorios.
<br/><br/><label>Dewey Class. No.: </label>050.25  / U5 1975-76