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.
Lua i Stíl Chicago (17ú heag.)Bértona, Fernando Casal, agus 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 .
Lua MLA (8ú heag.)Bértona, Fernando Casal, agus 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, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.