Treviño, Jorge. <br/><br/>
Ortografía practica al día 
Jorge Trevino. 
 - Mexico  Editorial Trillas  1990 
 - 125 p. 
<br/><br/><label>ISBN: </label>968244151X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spanish language--Orthography and spelling.
<br/><br/><label>LC Class. No.: </label>PC4143  / .T7 1990