APA aipamena

(2004). High risk and big ambition: The presidency of George W. Bush. University of Pittsburgh.

Chicago Style aipamena

High Risk and Big Ambition: The Presidency of George W. Bush. University of Pittsburgh, 2004.

MLA aipamena

High Risk and Big Ambition: The Presidency of George W. Bush. University of Pittsburgh, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.