홈 / 책 찾기 / 판 고르기
판 6개, 최신 판부터
Brooks/Cole Cengage Learning, 2010, ISBN 9780547152813
Houghton Mifflin Company, 2006, ISBN 9780618606092
Houghton Mifflin, 2004, ISBN 9780618265978
Houghton Mifflin Company, 2003, 양장(하드커버), ISBN 9780618375783
Houghton Mifflin, 2001, ISBN 9780618052066
Houghton Mifflin, 1998, ISBN 9780395744406