Ley, D. (1983). Social geography of the city. Harper and Row.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLey, David. Social Geography of the City. Harper and Row, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLey, David. Social Geography of the City. Harper and Row, 1983.
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