Andrain, Charles F.
Political protest and social change : analyzing politics
Macmillan, 1995
 Buku Teks SO
Mason, Alpheus Thomas,1899-1989
In quest of freedom American political thought and practice and practice
Prentice-Hall, 1959
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Moral and political reasoning in environtmental practice
edited by Andrew Light and Avner de-Shalit
MIT Press, 2003
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Cohn, Theodore H.
Global political economy : theory and practice
Longman, 2003
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Swales, John M.
Research genres : exploration and applications
Cambridge University Press, 2004
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