홈 / 책 찾기 / 판 고르기
판 7개, 최신 판부터
Thomson Learning, 1996, 양장(하드커버), ISBN 9781858052168
DP Publications, 1988, ISBN 9780905435893
DP Publications, 1988, ISBN 9780090435890
Letts Educational, 1987, 무선(페이퍼백), ISBN 9780905435824
DP Publications, 1985, ISBN 9780905435565
Lawrence Verry Incorporated, 1982, 무선(페이퍼백), ISBN 9780905435275
DP Publications, ISBN 9781870941976