Richards , Jack C. Full Contact Interchange: Fourth Edition Student's Book 3 - 4a edición - New York : Cambridge University Press , 2013. - 96 p. ISBN: 978-1-107-66684-9 Subjects--Topical Terms: ENSEÑANZA INGLESESTUDIO DEL INGLES Dewey Class. No.: 428.24 R514i4 V.3