UNDERSTANDING ALGEBRA REVISED EDITION
JOHN BALEY MARTIN HOLSTEGE1991 年出版634 页ISBN：0070035660
UNDERSTANDING EARTH THIRD EDITION
FRANK PRESS AND RAYMOND SIEVER2001 年出版573 页ISBN：
UNDERSTANDING PSYCHOLOGY SIXTH EDITION
CHARLES G.MORRIS AND ALBERT A.MAISTO2003 年出版750 页ISBN：
Introduction to Computers and Information Processing 3rd Edition
1991 年出版522 页ISBN：0134887018
UNDERSTANDING BUSINESS FOURTB EDITION
WILLIAM G.NICKELS JAMES M.MCHUGH SUSAN M.MCHUGH1997 年出版750 页ISBN：
COMPUTERS:TOOLS FOR AN INFORMATION AGE SEVENTH EDITION
H.L.CAPRON AND J.A.JOHNSON2002 年出版639 页ISBN：
