Woll, Peter
Constitutional democracy
Little, Brown , 1986
Buku Teks
Powell, G. Bingham
Elections as instruments of democracy : majoritarian and proportional visions
Yale University Press, 2000
Buku Teks
Agresto, John
The supreme court and constitutional democracy
Cornell University Press, 1984
Buku Teks
Feith, Herbert
The decline of constitutional democracy in Indonesia
Cornell University Press, 1968
Buku Teks
Feith, Herbert
The decline of constitutional democracy in Indonesia
Equinox, 2007
Buku Teks