Policy-making Processes and the European Constitution A comparative study of member states and acces
2006 年出版307 页ISBN:0415385075
TRADITIONS OF IGBO ORIGIN:A STUDY OF PRE-COLONIAL POPULATION MOVEMENTS IN AFRICA REVISED EDITION
1994 年出版234 页ISBN:0820424811
ANATOMY OF INTERNATIONAL LAW A STUDY OF THE ROLE OF INTERNATIONAL LAW IN THE CONTEMPORARY WORLD
1981 年出版146 页ISBN:0421280107