Berger, J. Problems of socialist art: John Berger. Radical perspectives in the arts.(1972).
Chicago-Zitierstil (17. Ausg.)Berger, John. "Problems of Socialist Art: John Berger." Radical Perspectives in the Arts.(1972) .
MLA-Zitierstil (8. Ausg.)Berger, John. "Problems of Socialist Art: John Berger." Radical Perspectives in the Arts.(1972), .
警告：這些引文格式不一定是100％准確.