Carter, Ronald. Cambridge IELTS 12 academic student's book with answers: authentic examination papers / Ronald Carter. - New ed. - New York: Cambridge English, c2017-2018. - 136p.: ill.:; figs.:; 21 cm. Dept. of EEE ISBN: 978-1316637821 Subjects--Topical Terms: Acnowledgement Dewey Class. No.: 421.54744 / PRC