Klapp, O. E. (1972). Currents of unrest: An introduction to collective behavior. Holt, Rinehart and Winston, Inc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKlapp, Orrin E. Currents of Unrest: An Introduction to Collective Behavior. Holt, Rinehart and Winston, Inc, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKlapp, Orrin E. Currents of Unrest: An Introduction to Collective Behavior. Holt, Rinehart and Winston, Inc, 1972.
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