홈 / 책 찾기 / 판 고르기
판 7개, 최신 판부터
Cengage Learning, 2009, ISBN 9780534553975
Brooks/Cole Publishing Company, 2002, 양장(하드커버), ISBN 9780534421670
Brooks/Cole Publishing Company, 2000, 양장(하드커버), ISBN 9780534371333
PWS Pub Co., 1997, ISBN 9780534934293
Nelson Thornes, 1991, 무선(페이퍼백), ISBN 9780748740093
PWS-Kent Pub. Co., 1990, ISBN 9780534921743
Grupo Editorial Iberoamericana, 1984, ISBN 9780534030995