홈 / 책 찾기 / 판 고르기
판 7개, 최신 판부터
Wadsworth Publishing, 2008, 무선(페이퍼백), ISBN 9780495553342
Thomson-Brooks/Cole, 2005, ISBN 9780534559212
Wadsworth Publishing, 2000, 무선(페이퍼백), ISBN 9780534348205
Brooks/Cole Pub. Co., 1996, ISBN 9780534265809
Brooks/Cole Pub. Co., 1991, ISBN 9780534137823
Brooks/Cole Pub. Co., 1986, ISBN 9780534052621
Brooks/Cole Pub. Co., 1982, ISBN 9780818504648