David F. Ford, Rachel Muers, editor
Blackwell Publishing, 2008
Buku Teks
Redita Devi
2016
UI - Skripsi Membership
Husseini, Sara Leila
Brill, 2014
eBooks
Aydin, Mahmut
The Council for Research in Values and Philosophy, 2002
Buku Teks SO
Amrillah M
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2016
UI - Tugas Akhir