Chirot, Daniel
Harcourt Brace Jovanivich, 1986
Buku Teks
Srinivas, M.N., author
University of California Press, 1973
Buku Teks
Nisbet, Robert A., author
Oxford University Press, 1970
Buku Teks
Barston, R. P.
Longman, 1988
Buku Teks
Westview Press, 1990
Buku Teks