Pendle, G. (2004). Informant: A recent book examining crowd behaviour asserts that groups are often wiser than individuals. frieze.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPendle, George. "Informant: A Recent Book Examining Crowd Behaviour Asserts That Groups Are Often Wiser than Individuals." Frieze 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPendle, George. "Informant: A Recent Book Examining Crowd Behaviour Asserts That Groups Are Often Wiser than Individuals." Frieze, 2004.
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