Our World The Sounds Of English:  Teacher Guide/ 
National Geographic. 
 - United States of America:  National Geographic Cengage Learning,  2015. 
 - 7 Páginas:  Tapa blanda,copia  26 cm.  72 cards. 
 -  National Geographic .
<br/><br/><label>ISBN: </label>9781285770383 
<br/><br/><label>Subjects--Uniform Titles: </label> Estudios y Referencias de Idiomas Extranjeros  Lengua y Gramática --Tarjetas de estudio
<br/><br/><label>Dewey Class. No.: </label>372.65  / N277