Ireland, Sue. Cambridge vocabulary for PET with answers / Vocabulary for PET with answers Sue Ireland and Joanna Kosta. - Cambridge ; New York : Cambridge University Press, 2008 - vi, 138 p. : 25 cm. + 1 Audio CD "Self-study vocabulary practice." ISBN: 9780521708210 Subjects--Topical Terms: English language Vocabulary Subjects--Index Terms: Ngôn ngữ Tiếng Anh Từ vựng Dewey Class. No.: 428.2076 / IRE