홈 / 책 찾기 / 판 고르기
판 7개, 최신 판부터
Dryden Press, 1995, ISBN 9780030154690
Thomson Learning, 1992, 무선(페이퍼백), ISBN 9780030753923
Holt,R.& W., 1989, ISBN 9780030289491
Dryden Press, 1989, ISBN 9780030123641
Dryden Press, 1985, ISBN 9780030710339
Holt-Saunders, 1985, ISBN 9784833702461
Dryden Press, 1981, ISBN 9780030408410
