Eisenman, Robert H., author
E.J. Brill, 1978
Buku Teks
Riyad Asvat, author
Madinah Press, 2011
Buku Teks
Feener, R. Michael, author
Faculty of Law University of Indonesia, 2013
Artikel Jurnal
Eisenstatt, S.N.
Routledge & Kegan Paul, 1954
Buku Teks
Buehler, Michael, author
Cambridge University Press, 2016
Buku Teks