9780132455916 0132455919 9780132546478 (book 2 with audio CD : pbk.) 0132546477 (book 2 with audio CD : pbk.) 9780132546485 (book 3 with audio CD : pbk.) 0132546485 (book 3 with audio CD : pbk.) 9780132546492 (book 4 with audio CD : pbk.) 0132546493 (book 4 with audio CD : pbk.) 9780132546508 (book 5 with audio CD : pbk.) 0132546507 (book 5 with audio CD : pbk.) 9780132114431 (with MyLab) 0132114437 (with MyLab)
2012533953
English language--Textbooks for foreign speakers. English language--Grammar--Problems, exercises, etc. English language--Sound recordings for foreign speakers.