ECONOMICS:PRINCIPLES AND POLICY NINTH EDITION
WILLIAM J.BAUMOL AND ALAN S.BLINDER2003 年出版772 页ISBN：
ECONOMICS：PRINCIPLES AND POLICY EIGHTH EDITION
WILLIAM J.BAUMOL AND ALAN S.BLINDER2000 年出版524 页ISBN：0030268478
Agricultural economics and agribusiness sixth edition
Gail L.Cramer and Glarence W.jensen1994 年出版534 页ISBN：0471595527
ENVIRONMENTAL AND NATURAL RESOURCE ECONOMICS SEVENTH EDITION
2222 年出版655 页ISBN：
ENVIRONENTAL AND NATURAL RESOURCE ECONOMICS SCEOND EDITION
2222 年出版559 页ISBN：0673189457
ENVIRONMENTAL AND NATURAL RESOURCE ECONOMICS FIFTH EDITION
2000 年出版630 页ISBN：0321031288
STATISTICAL TECHNIQUES IN BUSINESS & ECONOMICS TWELFTH EDITION
2005 年出版800 页ISBN：0072868244
