ISBN 9787560529998 books & textbook
2, New Concept English version: Synchronous practice
XIN GAI NIAN YING YU JIAO XUE SHI FAN XUE XIAO
Xi an Jiaotong University Press Pub. Date: 2009-06 /1991-01-01 Paperback
isbn-10: 7560529992 / isbn-13: 9787560529998
