홈 / 책 찾기 / 판 고르기
판 8개, 최신 판부터
Pearson Longman, 2008, ISBN 9780136126591
Pearson Education, 2007, ISBN 9780132056908
Pearson/Longman, 2005, ISBN 9780131950511
Pearson ESL, 2004, 무선(페이퍼백), ISBN 9780131408838
Longman, 2003, ISBN 9780131408869
Addison Wesley Publishing Company, 1997, ISBN 9780201315219
Addison Wesley Publishing Company, 1995, ISBN 9780201846768
Addison Wesley Publishing Company, 1995, ISBN 9780201849615