Artikel Jurnal
Blackwell Publishing, 2002
eBooks
Muhammad Nugraha Saputra, author
2018
UI - Skripsi (Membership)
edited by Amanda Gouws and Daiva Stasiulis
Routledge, 2014
Buku Teks
Ma`mun, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2005
UI - Tesis (Membership)