Sievers. Civil Society, Philanthropy, and the Fate of the Commons. University Press of New England.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSievers. Civil Society, Philanthropy, and the Fate of the Commons. University Press of New England.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSievers. Civil Society, Philanthropy, and the Fate of the Commons. University Press of New England.
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