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판 6개, 최신 판부터
Addison Wesley, 2005, 양장(하드커버), ISBN 9780321305046
Addison Wesley, 2003, ISBN 9780321185365
HarperCollins College Publishers, 1996, ISBN 9780673994721
Harpercollins College Div, 1992, 양장(하드커버), ISBN 9780673463289
Scott, Foresman, 1988, ISBN 9780673189455
Scott, Foresman, 1984, ISBN 9780673155580