EDWIN MANSFIELD AND NARIMAN BEHRAVESH2001 年出版706 页ISBN：0393976211
UNDERSTANDING ECONOMICS TODAY SIXTH EDITION
GARY M.WALTON AND FRANK C.WYKOFF1998 年出版496 页ISBN：
Contemporary labor economics Sixth Edition
Campbell R McConnell， Stanley L Brue， David A M2003 年出版0 页ISBN：
ECONOMICS AND CONTEMPORARY LEEUES SIXTH EDITION
MICHAEL R.EDGMAND2003 年出版479 页ISBN：
Agricultural economics and agribusiness sixth edition
Gail L.Cramer and Glarence W.jensen1994 年出版534 页ISBN：0471595527
STATISTICS:FOR BUSINESS AND ECONOMICS:SIXTH EDITION
1993 年出版1192 页ISBN：0023792019
APPLIED ECONOMICS:AN INTRODUCTORY COURSE SIXTH EDITION
1995 年出版769 页ISBN：0582246318
