Irish, Marian D.
The Politics of American democracy
Prentice-Hall, 1962
 Buku Teks
Woll, Peter
Constitutional Democracy Policies and Politics
Little, Brown, 1982
 Buku Teks
Caprara, Gian Vittorio
Personalizing politics and realizing democracy
Oxford University Press, 2016
 eBooks
Another world is possible: World Social Forum proposals for an alternative globalization
edited by William F. Fisher and Thomas Ponniah, 1966-
Zed Books, 2015
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Labriola, Dan
Complementary Cancer Therapies: Combining Traditional and Alternative Approaches for the Best Possible Outcome
A Division of Prima Publishing, 2000
 Buku Teks