De la Vega, Sara Lequerica <br/><br/>
Avanzando :   gramática española y lectura /  
Sara Lequerica de la Vega ; Carmen Salazar 
 - Cuarta edicion 
 - New York:  John Wiley & Sons, Inc.,  ©1997. 
 - xviii, 430 pages:  illustrations;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0-471-16707-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spanish language -- Grammar<br/>Spanish language -- Textbooks for foreign speakers -- English
<br/><br/><label>Dewey Class. No.: </label>DC 468.2421  / D37