Hoffer, E. (2019). The true believer: Thoughts on the nature of mass movements. HarperPerennial.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoffer, Eric. The True Believer: Thoughts on the Nature of Mass Movements. New York: HarperPerennial, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHoffer, Eric. The True Believer: Thoughts on the Nature of Mass Movements. HarperPerennial, 2019.
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