Daugherity. Keep On Keeping On. University of Virginia Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDaugherity. Keep On Keeping On. University of Virginia Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDaugherity. Keep On Keeping On. University of Virginia Press.
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