Mill, John Stuart
Connecticut Greenwood Press , 1969
Buku Teks
Kanisius , 2007
Buku Teks
Artikel Jurnal
Kasi, N.M.
International Association of Historians of Asia (IAHA), 1974
Buku Teks
Nurcholish Madjid ... [and others]
Gramedia Pustaka Utama, 1998
Buku Teks