Detwyler, T. R., & Detwyler, T. R. (1972). Urbanization and environment: The physical geography of the city. Duxbury Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDetwyler, Thomas R., और Thomas R.;Marcus Detwyler. Urbanization and Environment: The Physical Geography of the City. Duxbury Press, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDetwyler, Thomas R., और Thomas R.;Marcus Detwyler. Urbanization and Environment: The Physical Geography of the City. Duxbury Press, 1972.
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