De la Vega, Sara Lequerica <br/><br/>
Avanzando :  Gramatica Espanola y lectura / 
Sara Lequerica de la Vega, Carmen Salazar. 
 - 3rd ed. 
 - New York :  John Wiley & Sons, Inc. ,  1994. 
 - XI, 383 p. 
<br/><br/><label>ISBN: </label>0-471-30808-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spanish language