Cooper, Robert L., author
Cambridge University Press, 1989
Buku Teks
Srinivas, M.N., author
University of California Press, 1973
Buku Teks
Smith, Anthony D., author
Longman, 1976
Buku Teks
Smith, Anthony D., author
Longman, 1976
Buku Teks
Wallerstein, Immanuel, author
John Wiley , 1966
Buku Teks