Interactions Access 4ta Edicion (Listening/Speaking)/ por  - EDUCACION (B7;E5;N3;L696 AL L701) 
Emily Austin Thrus / Laurie Blass / Robert Baldwin  
 - EEUU,  Editorial Mcgraw-Hill,  2002 
 - Pag. 543 
<br/><br/><label>Dewey Class. No.: </label>378.242/  / Au761