홈 / 책 찾기 / 판 고르기
판 6개, 최신 판부터
HarperCollins, 2008, Electronic resource, ISBN 9780061669576
Collins, 2002, ISBN 9780066620428
Random House Business Books, 2001, 무선(페이퍼백), ISBN 9780712669672
Un Monde différent, 2001, 무선(페이퍼백), ISBN 9782892254457
HarperCollins Publishers Australia, 2000, 무선(페이퍼백), ISBN 9780732267964
HarperBusiness, 2000, ISBN 9780066620411
