Maynard. Robert Duncan and the Pragmatist Sublime. University of New Mexico Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMaynard. Robert Duncan and the Pragmatist Sublime. University of New Mexico Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMaynard. Robert Duncan and the Pragmatist Sublime. University of New Mexico Press.
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