Graves, Kathleen. <br/><br/>
East West Student Book 1B / 
by Kathleen Graves and David P. Rein. 
 - New York :  Oxford University Press,  1988. 
 - p. 57-120. 
<br/><br/>Student Book 1A 
<br/><br/><label>ISBN: </label>019434410X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingles--Enseñanza--Estudiantes extranjeros.
<br/><br/><label>Dewey Class. No.: </label>428.077  / G71