NGWA HISTORY:A STUDY OF SOCIAL AND ECONOMIC CHANGES IN IGBO MINI-STATES IN TIME PERSPECTIVE
1998 年出版195 页ISBN:0820440426
THEORETICAL ROOTS OF US FOREIGN POLICY Machiavelli and American Unilateralism
2006 年出版189 页ISBN:0415392187
REGENERATING THE CITIES:THE UK CRISIS AND THE US EXPERIENDCE
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