홈 / 책 찾기 / 판 고르기
판 6개, 최신 판부터
Longman, 2004, 무선(페이퍼백), ISBN 9780321244444
Longman, 1998, ISBN 9780321011480
Pearson Education, Limited, 1997, ISBN 9780201392715
Pearson Education, Limited, 1997, ISBN 9780201392647
HarperCollins College Publishers, 1994, 무선(페이퍼백), ISBN 9780065014617
Watson-Guptill Publications, 1994, 무선(페이퍼백), ISBN 9780823049660