The Chronicle of the Oxford University C.S. Lewis Society. Edinburgh University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe Chronicle of the Oxford University C.S. Lewis Society. Edinburgh University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe Chronicle of the Oxford University C.S. Lewis Society. Edinburgh University Press.
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