Não informado. (1976). Capital and Class. Conference of Socialist Economists.
Lua i Stíl Chicago (17ú heag.)Não informado. Capital and Class. London: Conference of Socialist Economists, 1976.
Lua MLA (8ú heag.)Não informado. Capital and Class. Conference of Socialist Economists, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.