PURCHASING PRINCIPLES AND MANAGEMENT FOURTH EDITION
1982 年出版337 页ISBN:0273017195
PSYCHOLOGY PRINCIPLES AND APPLICATIONS THIRD EDITION
1989 年出版800 页ISBN:0137328761
MACROECONOMICS:PRINCIPLES AND POLICY SIXTH EDITION
1994 年出版536 页ISBN:0030974542
MICROECONOMICS PRINCIPLES AND POLICY SEVENTH EDITION
1998 年出版581 页ISBN:003025051X