Baker, Ann 1939- Ship or sheep? an intermediate pronunciation course / Ann Baker. - 3rd ed. - Cambridge : Cambridge University press 2006 - xii, 224 p. : ill.( some pic.&col.) 24 cm.+ ISBN: 9780521606738 LC Class. No.: PE1128 .B27 2006 Dewey Class. No.: PE1128 .B27 2006 National Library of Medicine Call No.: PE1128 .B27 2006