Chatterjee, Pratap, author
Routledge, 1994
Buku Teks
Tehranian, Majid, author
Lynn Rienner, 1999
Buku Teks
edited by Alf Hornborg and Carole L. Crumley
Left Coast Press, 2007
Buku Teks
Organski, A.F.K., author
Alfred A. Knopf, 1969
Buku Teks
Macmillan, 1991
Buku Referensi