Berger, J. Problems of socialist art: John Berger. Radical perspectives in the arts.(1972).
Lua i Stíl Chicago (17ú heag.)Berger, John. "Problems of Socialist Art: John Berger." Radical Perspectives in the Arts.(1972) .
Lua MLA (8ú heag.)Berger, John. "Problems of Socialist Art: John Berger." Radical Perspectives in the Arts.(1972), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.