Tyler, N., Ligibel, T., & Tyler, I. R. (2009). Historic preservation: An introduction to its history, principles, and practice (2nd edition.). W.W. Norton & Co.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTyler, Norman, Ted Ligibel, और Ilene R. Tyler. Historic Preservation: An Introduction to Its History, Principles, and Practice. 2nd edition. New York: W.W. Norton & Co, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTyler, Norman, et al. Historic Preservation: An Introduction to Its History, Principles, and Practice. 2nd edition. W.W. Norton & Co, 2009.
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