Purcell. The Crisis of Democratic Theory. The University Press of Kentucky.
Lua i Stíl Chicago (17ú heag.)Purcell. The Crisis of Democratic Theory. The University Press of Kentucky.
Lua MLA (9ú heag.)Purcell. The Crisis of Democratic Theory. The University Press of Kentucky.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.