Bértona, F. C., & Guerra, S. Earthquake or hurricane?: The rise and fall of populist parties in Poland. Absorbing the blow : populist parties and their impact on parties and party systems.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBértona, Fernando Casal, और Simona Guerra. "Earthquake or Hurricane?: The Rise and Fall of Populist Parties in Poland." Absorbing the Blow : Populist Parties and Their Impact on Parties and Party Systems .
एमएलए (8वां संस्करण) प्रशस्ति पत्रBértona, Fernando Casal, और Simona Guerra. "Earthquake or Hurricane?: The Rise and Fall of Populist Parties in Poland." Absorbing the Blow : Populist Parties and Their Impact on Parties and Party Systems, .
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