Woodward, B. (1999). Shadow: Five presidents and the legacy of Watergate. Simon & Schuster.
Lua i Stíl Chicago (17ú heag.)Woodward, Bob. Shadow: Five Presidents and the Legacy of Watergate. New York, NY: Simon & Schuster, 1999.
Lua MLA (8ú heag.)Woodward, Bob. Shadow: Five Presidents and the Legacy of Watergate. Simon & Schuster, 1999.
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