Cardan, P. (1974). Redefining revolution. Solidarity.
Lua i Stíl Chicago (17ú heag.)Cardan, Paul. Redefining Revolution. London: Solidarity, 1974.
Lua MLA (8ú heag.)Cardan, Paul. Redefining Revolution. Solidarity, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.