홈 / 책 찾기 / 판 고르기
판 4개, 최신 판부터
University of Toronto Press, 2019, ISBN 9781442653207
Mathematical Association of America, 1998, ISBN 9780883855225
University of Toronto Press, Scholarly Publishing, 1965, 무선(페이퍼백), ISBN 9781442639454
Univ of Toronto Pr, 1965, 양장(하드커버), ISBN 9780802010681