Semes, S. W. (2009). The future of the past: A conservation ethic for architecture, urbanism, and historic preservation (1st edition.). W.W. Norton & Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSemes, Steven W. The Future of the Past: A Conservation Ethic for Architecture, Urbanism, and Historic Preservation. 1st edition. New York: W.W. Norton & Co., 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSemes, Steven W. The Future of the Past: A Conservation Ethic for Architecture, Urbanism, and Historic Preservation. 1st edition. W.W. Norton & Co., 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.