AN INTRODUCTION TO THE THEORY OF DYNMAIC ECONOMICS
1984 年出版199 页ISBN:0198284772
THE COLUMBIA GUIDE TO CONTEMPORARY AFRICAN AMERICAN FICTION
2005 年出版257 页ISBN:0231124724
GLOBAL UNEMPLOYMENT:THE NEW CHALLENGE TO ECONOMIC THEORY
1986 年出版257 页ISBN:0745000053
Discourse Analysis The Sociolinguistic Analysis of Natural Language
1983 年出版274 页ISBN:0631127631
AN INTRODUCTION TO THE POLITICS OF TROPICAL AFRICA
1984 年出版262 页ISBN:0043201633
THE BUSINESS IDEA FROM BIRTH TO PROFITABLE COMPANY
1978 年出版196 页ISBN:0442221630