Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.