Harrison, I. (2006). Where were you when?: 180 unforgettable moments in living history. Reader's Digest.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarrison, Ian. Where Were You When?: 180 Unforgettable Moments in Living History. Pleasantville, N.Y: Reader's Digest, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHarrison, Ian. Where Were You When?: 180 Unforgettable Moments in Living History. Reader's Digest, 2006.
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