Artikel Jurnal
Abuza, Zachary, author
Rowman and Littlefield, 2016
Buku Teks
Agung Pamungkas, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Skripsi (Open)
Gibson, William, author
Bantam Books, 1962
Buku Teks
Laird, Charlton Grant, 1901-
A Fawcett Premier Book, 1966
Buku Teks