The essenctial Lippmann; a political philosophy for liberal democracy /edited by Clinton rossiter & James Lare
Random House, 1963
 Buku Teks
Siregar, Fritz Edward
The political context of judicial review in indonesia
Faculty of Law University of Indonesia, 2015
 Artikel Jurnal
Argumentation : approaches to theory formation, containing the contributions to the Groningen Conference on the Theory of Argumentation, October 1978 /​ edited by E.M. Barth &​ J.L. Martens
John Benjamins B. V., 1982
 Buku Teks
Political parties and democracy in central America
edited by Louis W. Goodman, William M. LeoGrande, Johanna Mendelson Forman
Westview Press, 1992
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Braybrooke, David
Three tests for democracy : personal right, human welfare, collective preference
Random House , 1968
 Buku Teks