Gilbert, Judy B. creator text S.l.] Cambridge University Press 2012 4th ed. monographic 192 p. ; English language Textbooks for foreign speakers Pronunciation -- Problems, exercises, etc Listening -- Problems, exercises, etc 1107682959 (paperback) 9781107682955 (paperback) http://www.amazon.com/exec/obidos/ASIN/1107682959/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/1107682959/chopaconline-20