UNDERSTANDING MAGAZINES SECOND EDITION
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UNDERSTANDING PSYCHOLOGY FOURTH EDITION
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UNDERSTANDING ALGEBRA REVISED EDITION
JOHN BALEY MARTIN HOLSTEGE1991 年出版634 页ISBN：0070035660
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MICHAEL MANSFIELD AND COLM OSULLIVAN2011 年出版675 页ISBN：9780470746387
UNDERSTANDING BANKRUPTCY SECOND EDITION
JEFF FERRIELL AND EDWARD J.JANGER2007 年出版937 页ISBN：1422474402
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PETER H.RAVEN GEORGE B.JOHNSON1988 年出版1025 页ISBN：0697235033
