Opp, K. (2009). Theories of political protest and social movements: A multidisciplinary introduction, critique, and synthesis (1. publ.). Routledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOpp, Karl-Dieter. Theories of Political Protest and Social Movements: A Multidisciplinary Introduction, Critique, and Synthesis. 1. publ. London [u.a]: Routledge, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOpp, Karl-Dieter. Theories of Political Protest and Social Movements: A Multidisciplinary Introduction, Critique, and Synthesis. 1. publ. Routledge, 2009.
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