Dewey, John, author
Buku Teks
Pinker, Steven
Penguin Books, 2002
Buku Teks
Gregorios, Paulos
World Council of Churches, 978.
Buku Teks
Moran, Emilio F, author
John Wiley & Sons, Incorporated, 2017
Buku Teks
Fukuyama, Francis, author
Profile Books, 1999
Buku Teks