홈 / 책 찾기 / 판 고르기
판 6개, 최신 판부터
Longman Scientific & Technical, 1991, ISBN 9780582062665
Longman Scientific & Technical, 1988, ISBN 9780582042780
Godwin, 1985, ISBN 9780711458055
Halsted Press, 1985, ISBN 9780470201510
Godwin, 1980, ISBN 9780711449244
G. Godwin, 1979, ISBN 9780470265499