Answers Online:Your Guide to Informational Databases
1985 年出版374 页ISBN:0881341363
Graphic Guide to Frame Construction Student Edition
1998 年出版184 页ISBN:0133490696
STUDY GUIDE to accompany Krugman/Wells microeconomics
2222 年出版471 页ISBN:0716757559
BUSINESS ENGLISH:A GUIDE TO SUCCESSFUL COMMUNICATION
2222 年出版356 页ISBN:0205077862