"Raphael, M. (1981). Proudhon Marx Picasso: Three essays in Marxist aesthetics. Lawrence & Wishart publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Raphael, Max;Tagg. Proudhon Marx Picasso: Three Essays in Marxist Aesthetics. Lawrence & Wishart publishers, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Raphael, Max;Tagg. Proudhon Marx Picasso: Three Essays in Marxist Aesthetics. Lawrence & Wishart publishers, 1981.
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