Rypkema, D. D. (2014). The economics of historic preservation: A community leader's guide (Third edition.). PlaceEconomics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRypkema, Donovan D. The Economics of Historic Preservation: A Community Leader's Guide. Third edition. Washington, D.C.: PlaceEconomics, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRypkema, Donovan D. The Economics of Historic Preservation: A Community Leader's Guide. Third edition. PlaceEconomics, 2014.
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