Moderna enciclopedia universal 

 - Madrid  Cultrual, S.A.  1982. 
 - 10 v.  ill. 
<br/><br/><label>ISBN: </label>8485734297 (Obra completa) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries, General.