홈 / 책 찾기 / 판 고르기
판 7개, 최신 판부터
Longman, 2008, 무선(페이퍼백), ISBN 9780205603404
Longman, 2005, 무선(페이퍼백), ISBN 9780321333506
Longman, 2003, ISBN 9780321107589
Allyn and Bacon, 2000, ISBN 9780205298617
Allyn & Bacon, 1996, ISBN 9780205260775
Allyn and Bacon, 1994, ISBN 9780205155132
Allyn and Bacon, 1991, ISBN 9780205129379
