ebrary, Inc, & Greenstein, F. I. (2003). The George W. Bush presidency: An early assessment. Johns Hopkins University Press.
Chicago Style (17th ed.) Zitazioaebrary, Inc, eta Fred I. Greenstein. The George W. Bush Presidency: An Early Assessment. Baltimore, Md. ; London: Johns Hopkins University Press, 2003.
MLA (9th ed.) Zitazioaebrary, Inc, eta Fred I. Greenstein. The George W. Bush Presidency: An Early Assessment. Johns Hopkins University Press, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.