d`Almeida, Fabrice, author
Polity Press, 2008
Buku Teks
Zanden, Jan Luiten van, author
Spectrum, 1989
Buku Teks
Hutton, Christopher, author
Routledge, 1998
Buku Teks
Taylor, Telford
Quadrangle, 1952
Buku Teks
Shirer, William L.
Simon and Schuster, 1960
Buku Teks