Friedrich, Carl J.
Constitutional government and democracy theory and practice in Europe and America
Blaisdell, 1949
 Buku Teks
Beaumont, Elizabeth
The civic constitution: civic visions and struggles in the path toward constitutional democracy
Oxford University Press, 2014
 Buku Teks
Zurn, Christopher F.
Deliberative democracy and the institutions of judicial review
Cambrigde University Press , 2009
 Buku Teks
Democracy and pluralism in Africa
edited by Dov Ronen
Lynne Rienner, 1986
 Buku Teks SO
Constitutional Dialogue: rights, democracy, institutions
Cambridge University Press, 2019
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