De la Vega, Sara Lequarica. , <br/><br/>
Avanzando :  grammar and reading / 
Sara de la Vega, Carmen Salazar. 
 - 5th ed. 
 - x, 406 pages :  illustrations, color ;  23 cm. 
<br/><br/><label>ISBN: </label>0471456381 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spanish language --Grammar.<br/>Spanish language --Textbooks for foreign speakers --English.
<br/><br/><label>LC Class. No.: </label>PC4112   / .D44 2005