Political Ideologies and the democratic Ideal SIXTH EDITION
2006 年出版318 页ISBN：0321390156
POLITICS AND POLICY IN STATES & COMMUNITIES SIXTH EDITION
1998 年出版509 页ISBN：0321013522
RESEARCH METHODS IN THE SOCIAL SCIENCES SIXTH EDITION
1999 年出版550 页ISBN：1572599294
Study guide for economic principles & policies sixth edition
1995 年出版488 页ISBN：0538838515
SHORT TAKES:MODEL ESSAYS FOR COMPOSITION SIXTH EDITION
1999 年出版323 页ISBN：0321014707
INTRODUCTION TO CHEMISTRY FOR BIOLOGY STUDENTS SIXTH EDITION
1997 年出版296 页ISBN：0805330976
BASIC BUSINESS STATISTICS:CONCEPTS AND APPLICATIONS SIXTH EDITION
1996 年出版943 页ISBN：0133030091
FUNDAMENTALS OF DATABASE SYSTEMS
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