Kettle, A. The progressive tradition in bourgeois culture: Arnold Kettle. Radical perspectives in the arts.(1972).
Lua i Stíl Chicago (17ú heag.)Kettle, Arnold. "The Progressive Tradition in Bourgeois Culture: Arnold Kettle." Radical Perspectives in the Arts.(1972) .
Lua MLA (8ú heag.)Kettle, Arnold. "The Progressive Tradition in Bourgeois Culture: Arnold Kettle." Radical Perspectives in the Arts.(1972), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.