Ortografia de la lengua espanola / 
Real Academia Espanola, Asociacion de Academias de la Lengua Espaنnola. 
 - Pozuelo de Alarcon :  Espasa,  c2010. 
 - 743 p. ;  24 cm 
<br/><br/>Includes bibliographical references (p. [731]-743) . 
<br/><br/><label>ISBN: </label>9788467034264 
<br/><br/><label>LCCN: </label>2011376255 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spanish language--Orthography and spelling.
<br/><br/><label>LC Class. No.: </label>PC4143  / .O78 2010