Yoga Soegomo
The comparison of the european democracies and the Pancasila democracy in Indonesia as a subject of democracy-research
Pustaka Kartini, 1986
 Buku Teks SO
Huang, Zongxian
A Comparison between Chinese and Western
China International Press, 2008
 Buku Teks
Friedrich, Carl J.
The Impact of American constitutionalism abroad
Boston University Press, 1967
 Buku Teks
Murphy, Walter F.
Constitutional democracy : creating and maintaining a just political order
The John Hopkins University Press, 2007
 Buku Teks SO
Heringa, A.W.
Constitutions compared : an introduction to comparative constitutional law
Metro, 2009
 Buku Teks