Roberts, A. (2008). The collapse of fortress Bush: The crisis of authority in American government. New York University Press.
Lua i Stíl Chicago (17ú heag.)Roberts, Alasdair. The Collapse of Fortress Bush: The Crisis of Authority in American Government. New York: New York University Press, 2008.
Lua MLA (9ú heag.)Roberts, Alasdair. The Collapse of Fortress Bush: The Crisis of Authority in American Government. New York University Press, 2008.
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