(1978). Highway And The Environment Culloquium Held At The Institution Of Civil Engineers, London 4 November, 1976 Introduction Rj. Bridle. The Institution of Civil Engin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHighway And The Environment Culloquium Held At The Institution Of Civil Engineers, London 4 November, 1976 Introduction Rj. Bridle. The Institution of Civil Engin, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHighway And The Environment Culloquium Held At The Institution Of Civil Engineers, London 4 November, 1976 Introduction Rj. Bridle. The Institution of Civil Engin, 1978.
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