Harrison, Ross
Democracy / Ross Harrison.
Routledge, 1993
 Buku Teks SO
Democracy and green political thought: sustainability, rights and citizenship
edited by Brian Doherty and Marius de Geus
Routledge, 1996
 Buku Teks SO
Nagle, John D.
Democracy and Democratization
Sage Publications, 1999
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Taiwan democracy quarterly
Taiwan Foundation for Democracy,
 Majalah, Jurnal, Buletin
The challenge of democracy American government in global politics
Kenneth Janda, Jeffrey M. Berry, Jerry Goldman, Deborah J. Schildkraut, Paul Manna
Cengage Learning, 2018
 Buku Teks SO