Olsen, D. J. (1964). Town planning in London: The eighteenth and nineteenth centuries.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOlsen, Donald J. Town Planning in London: The Eighteenth and Nineteenth Centuries. New Haven :Yale University Press, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOlsen, Donald J. Town Planning in London: The Eighteenth and Nineteenth Centuries. 1964.
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