Purcell. The Crisis of Democratic Theory. The University Press of Kentucky.
Čikaški stil citiranja (17. izdanje)Purcell. The Crisis of Democratic Theory. The University Press of Kentucky.
MLA način citiranja (9. izdanje)Purcell. The Crisis of Democratic Theory. The University Press of Kentucky.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.