edited by Tim O`Riordan and Jill Jager
Routledge, 1996
Buku Teks
Giddens, Anthony, author
Polity , 2009
Buku Teks
Dash, S.K., author
Cambridge University Press, 2007
Buku Teks
Nugent, Neill, author
Macmillan, 1994
Buku Teks
Oxford University Press, 2003
Buku Teks