홈 / 책 찾기 / 판 고르기
판 5개, 최신 판부터
Cengage Learning, 2015, ISBN 9781305397774
Wadsworth Publishing, 2001, 무선(페이퍼백), ISBN 9780534367626
Brooks/Cole Pub. Co., 1998, ISBN 9780534346690
Brooks/Cole Pub. Co., 1994, ISBN 9780534212049
Brooks/Cole Pub. Co., 1990, ISBN 9780534121099