Srinivas, M.N., author
University of California Press, 1973
Buku Teks
Dobbin, Christine, author
Oxford University Press, 1972
Buku Teks
Kothari, Rajni, author
Little, Brown, 1970
Buku Teks
Hardgrave, Robert L., author
Harcourt, Brace, 1970
Buku Teks
Sharan, P.
Metropolitan, 1984
Buku Teks