홈 / 책 찾기 / 판 고르기
판 5개, 최신 판부터
McGraw-Hill, 2006, 무선(페이퍼백), ISBN 9780071468527
Contemporary Books, 2003, ISBN 9780071426664
NTC Pub. Group, 1992, ISBN 9780844238258
Hodder Educational, 1985, ISBN 9780340323892
Hodder and Stoughton, 1976, ISBN 9780340059821