INTRODUCTORY STATISTICS FOR BUSINESS AND ECONOMICS
1981 年出版445 页ISBN:0312434510
CURRENT ISSUES IN INTERNATIONAL MONETARY ECONOMICS
1990 年出版276 页ISBN:0333453506
INTERNATIONAL ECONOMICS APPLEYARD & FIELD SECOND EDITION
1992 年出版656 页ISBN:025614365X
ECONOMICS PRINCIPLES/PROBLEMS/DEVISIONS SIXTH EDITION
1989 年出版756 页ISBN:039395708X