Brown, D. (2011). America is under attack: September 11, 2001 : the day the towers fell. Roaring Brook Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrown, Don. America Is Under Attack: September 11, 2001 : The Day the Towers Fell. New York: Roaring Brook Press, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrown, Don. America Is Under Attack: September 11, 2001 : The Day the Towers Fell. Roaring Brook Press, 2011.
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