Soars, John American Headway 3 : teacher's book / John Soars, Liz Soars, Mike Sayer - New York : Oxford University Press , c2003. - 166 p. : il. ISBN: 0-19-435385-0 Subjects--Topical Terms: Ingles----Estudio y Enseñanza Dewey Class. No.: 428.24 SOA