Adams, Walter, 1922-1998
The Structure of American industry
Prentice-Hall, 2001
 Buku Teks
Weiss, Leonard W.
Case studies in American industry
John Wiley & Sons, 1980
 Buku Teks
A study of contemporary Ghana Volume II : some aspects of social structure / edited, Walter Birmingham
Northwestern University Press, 1967
 Buku Teks
Walter, Eugene Victor
Terror and resistance: a study of political violence with case studies of some primitive African communities / Eugene Victor Walter
Oxford University Press, 1969
 Buku Teks
Florence, P. Sargant
The Logic of British and American industry : a realistic analysis of economic structure and goverment
Routledge & Kegan Paul, 1957
 Buku Teks