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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOECD Group on Urban Affairs. Urban Travel and Sustainable Development. Paris : Washington, D.C.: European Conference of Ministers of Transport ; OECD Publications and Information Centre, distributor], 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOECD Group on Urban Affairs. Urban Travel and Sustainable Development. European Conference of Ministers of Transport ; OECD Publications and Information Centre, distributor], 1995.
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