APA (7th ed.) Zitazioa

Roberts, A. (2008). The collapse of fortress Bush: The crisis of authority in American government. New York University Press.

Chicago Style (17th ed.) Zitazioa

Roberts, Alasdair. The Collapse of Fortress Bush: The Crisis of Authority in American Government. New York: New York University Press, 2008.

MLA (9th ed.) Zitazioa

Roberts, Alasdair. The Collapse of Fortress Bush: The Crisis of Authority in American Government. New York University Press, 2008.