Hoffer, E. (1951). The true believer: Thoughts on the nature of mass movements. New York: Harper & Brothers.
Παραπομπή Chicago StyleHoffer, Eric. The True Believer: Thoughts On the Nature of Mass Movements. New York: Harper & Brothers, 1951.
Παραπομπή MLAHoffer, Eric. The True Believer: Thoughts On the Nature of Mass Movements. New York: Harper & Brothers, 1951.
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