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
INTERPLAY:THE PROCESS OF INTERPERSONAL COMMUNICATION SIXTH EDITION
1995 年出版431 页ISBN：0155011278
POLITICAL BEHAVIOR OF THE AMERICAN ELECTORATE SIXTH EDITION
1988 年出版211 页ISBN：0697067963
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
MANUAL OF ANTIBIOTICS AND INFECTIOUS DISEASES SIXTH EDITION
1988 年出版392 页ISBN：0812111079
