Washington Trust for Historic Preservation. The Trust news. Washington Trust for Historic Preservation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington Trust for Historic Preservation. The Trust News. Seattle, Wash.: Washington Trust for Historic Preservation.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington Trust for Historic Preservation. The Trust News. Washington Trust for Historic Preservation.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.