Kellner, Douglas
Oxford Polity Press 1989,
Buku Teks
Simmel, Georg
Buku Teks
New York : The American College
Majalah, Jurnal, Buletin
Laiden : Brill Academic Publishers
Majalah, Jurnal, Buletin
Giddens, Anthony, author
Cambridge Polity Press 1989,
Buku Teks