홈 / 책 찾기 / 판 고르기
판 5개, 최신 판부터
Random House Publishing Group, 2008, Electronic resource, ISBN 9781407009124
Crown Publishing Group, 2002, Electronic resource, ISBN 9780307591463
Crown Business, 2002, ISBN 9780609610572
Random House Business Books, 2002, 무선(페이퍼백), ISBN 9780712625982
Unknown Binding, ISBN 9781598954838
