Sukarno
Departemen Penerangan RI, 1962
Buku Klasik
Hartstein, Morris E., editor
Springer, 2012
eBooks
editor, Ulil Abshar-Abdalla
Fredrich-Naumann-Stiftung (FNS) Indonesia dan Pusat Studi Islam Paramadina, 2002
Buku Teks
Moritz, Andreas
Welness Press, 2009
Buku Teks
Nasution, Harun
UI-Press, 1986
Buku Teks