Hagberg, G. L. Character: Garry L. Hagberg. The Routledge companion to philosophy of literature.(2019).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHagberg, Garry L. "Character: Garry L. Hagberg." The Routledge Companion to Philosophy of Literature.(2019) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रHagberg, Garry L. "Character: Garry L. Hagberg." The Routledge Companion to Philosophy of Literature.(2019), .
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