홈 / 책 찾기 / 판 고르기
판 9개, 최신 판부터
CQ Press, 1996, ISBN 9780871878311
CQ Press, 1993, ISBN 9780871877215
CQ Press, 1990, ISBN 9780871875310
CQ Press, 1987, ISBN 9780871874009
Holt, Rinehart and Winston, 1984, ISBN 9780030633546
Holt, Rinehart and Winston, 1981, ISBN 9780030581724
Holt, Incorporated Rinehart & Winston, 1981, 양장(하드커버), ISBN 9780030581731
Holt, Rinehart and Winston/Praeger, 1978, ISBN 9780030417412
Praeger, 1975, ISBN 9780275335205