Richards, Jack C. New interchange : class audio CDs 3 / Jack C. Richards with Jonathan Hull and Susan Proctor. - 3 CDs. ISBN: 0521628369 Subjects--Topical Terms: COMUNICACION INTERNACIONAL--PROBLEMAS, EJERCICIOS, ETC.INGLES--ENSEÑANZA.INGLES--ESTUDIANTES EXTRANJEROS. Dewey Class. No.: 428