Castells, Manuel, author
Wiley-Blackwell, 2010
Buku Teks
Vale, Lawrence J., author
Routledge, 2008
Buku Teks
Collins, James, author
Cambridge University Press , 2005
Buku Teks
Curtin, Patricia A. (Patricia Ann), 1955-, author
Sage Publications, 2007
Buku Teks
Simul Press, 1976
Buku Teks