Wollheim. Art and Its Objects (2nd edition.). Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWollheim. Art and Its Objects. 2nd edition. London / Delhi / New York: Cambridge University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWollheim. Art and Its Objects. 2nd edition. Cambridge University Press.
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