AMERICAN GOVERNMENT:ESSENTIALS AND PERSPECTIVES SECOND EDITION
JACK E.HOLMES MICHAEL J.ENGELHARDT ROBERT E.ELDER1994 年出版606 页ISBN：
MARKETING RESEARCH INA MARKETING ENVIRONMENT SECOND EDITION
WILLIAM R.DILLON THOMAS J.MADDEN NEIL H.FIRTLE1987 年出版853 页ISBN：
COMPUTATIONAL TECHNIQUES FOR FLUID DYNAMICS 1 SECOND EDITION
C.A.J.FLETCHER1991 年出版247 页ISBN：
