WOLFE, G. R. (1994). New York A Guide To The Metropolis Walking Tours Of Architecture And History By Gerard R. Wolfe. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWOLFE, Gerald R. New York A Guide To The Metropolis Walking Tours Of Architecture And History By Gerard R. Wolfe. McGraw-Hill, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWOLFE, Gerald R. New York A Guide To The Metropolis Walking Tours Of Architecture And History By Gerard R. Wolfe. McGraw-Hill, 1994.
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