Woodward, B. (1999). Shadow: Five presidents and the legacy of Watergate. Simon & Schuster.
Dyfyniad Arddull ChicagoWoodward, Bob. Shadow: Five Presidents and the Legacy of Watergate. New York, NY: Simon & Schuster, 1999.
Dyfyniad MLAWoodward, Bob. Shadow: Five Presidents and the Legacy of Watergate. Simon & Schuster, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.