Werna, E. (1998). Healthy city projects in developing countries: An international approach to local problems. Earthscan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWerna, Edmundo. Healthy City Projects in Developing Countries: An International Approach to Local Problems. London: Earthscan, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWerna, Edmundo. Healthy City Projects in Developing Countries: An International Approach to Local Problems. Earthscan, 1998.
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