홈 / 책 찾기 / 판 고르기
판 4개, 최신 판부터
South-Western Educational Publishing, 1999, 무선(페이퍼백), ISBN 9780538107709
College Division, South-Western Pub. Co., 1994, ISBN 9780538832762
College Division, South-Western Pub. Co., 1993, ISBN 9780538833288
Boyd & Fraser, 1990, ISBN 9780878355433