Coba jelasin . dari Liberalisme dong

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Venturelli, Shalini. Liberalizing the European media: politics, regulation, and the public sphere. New York: Oxford University Press, 1998. .

Wallerstein, Immanuel. The Modern World-System IV: Centrist Liberalism trimphant 1789–1914. Berkeley and Los Angeles: University of California Press, 2011.

Whitfield, Stephen. Companion to twentieth-century America. Hoboken: Wiley-Blackwell, 2004. .

Wolfe, Alan. The Future of Liberalism. New York: Random House, Inc., 2009. .

Zvesper, John. Nature and liberty. New York: Routledge, 1993. .