Hough, M. (2004). Cities and natural process: A basis for sustainability (2nd ed.). Routledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHough, Michael. Cities and Natural Process: A Basis for Sustainability. 2nd ed. London ; New York: Routledge, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHough, Michael. Cities and Natural Process: A Basis for Sustainability. 2nd ed. Routledge, 2004.
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