Chidsey, Donald Barr
Crown Publishers, 1966
Buku Teks
Fitzgerald, C.P.
Cresset Press, 1958
Buku Teks
Patterson, Simon, author
[RIBA , ], 2005
eBooks
Ali, Syed Ameer, author
Pembangunan, 1967
Buku Teks
Montesquieu, Charles de Secondat,1689-1755, author
Hafner Press, 1949
Buku Teks