Moore, Russell F.
Modern constitutions
Littlefield, Adams, 1957
 Buku Teks
Finer, S. E.
Comparing constitutions
Clarendon Press Oxford, 1995
 Buku Teks
Andrews, William G.
Constitutions and constitutionalism
D.van Nostrand Company,Inc., 1968
 Buku Teks
Wheare, K. C.
Modern constitutions
Oxford University Press, 1975
 Buku Teks
Whitlam, E.G.
On Australias constitutions
Widescope, 1977
 Buku Teks