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판 11개, 최신 판부터
South-Western College Pub., 1999, ISBN 9780538891080
Duxbury Press, 1996, ISBN 9780534510008
Dryden Press, 1994, ISBN 9780030989353
Dryden Press, 1994, ISBN 9780030975615
Dryden Press, 1992, ISBN 9780030753817
Dryden Press, 1992, ISBN 9780030746222
Dryden Press, 1990, ISBN 9780030263422
Harcourt Brace College Publishers, 1990, 무선(페이퍼백), ISBN 9780030309632
Dryden Press, 1987, ISBN 9780030092947
Dryden Press, 1984, ISBN 9780030625688
Dryden Press, 1980, ISBN 9780030427015