Andrews, William G.
Constitutions and constitutionalism
D.van Nostrand Company,Inc., 1968
 Buku Teks
The twilight of constitutionalism?
Petra Dobner, Martin Loughlin, editors
Oxford University Press, 2012
 Buku Teks
Toynbee, Arnold J., translator
Experiences
Osford University Press, 1969
 Buku Teks
Hardin, Russell
Liberalism, constitutionalism and democracy
Oxford University Press, 1999
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Graber, Mark A.
A new introduction to American constitutionalism
Oxford University Press, 2015
 Buku Teks