Bernstein, R. (2002). Out of the blue: The story of September 11, 2001, from Jihad to Ground Zero. Times Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBernstein, Richard. Out of the Blue: The Story of September 11, 2001, from Jihad to Ground Zero. New York: Times Books, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBernstein, Richard. Out of the Blue: The Story of September 11, 2001, from Jihad to Ground Zero. Times Books, 2002.
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