Routledge, 1998
Buku Teks
Nightingale, Kath, author
Prentice-Hall, 2002
Buku Teks
Intersentia, 2017
eBooks
Zariani, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
UI - Tesis Membership
Guesnerie, Roger
Cambridge University Press, 1998
Buku Teks