Schell, L. M., & Bilsborough, A. (1993). Urban ecology and health in the third world. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchell, Lawrence M., और Alan;Schell Bilsborough. Urban Ecology and Health in the Third World. Cambridge University Press, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSchell, Lawrence M., और Alan;Schell Bilsborough. Urban Ecology and Health in the Third World. Cambridge University Press, 1993.
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