(1979). Urban Storm Drainage Proceeding Of The International Conference Held At The University Of Southampton, April 1978 Edited By P.r. Helliwell. Pentech Press Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUrban Storm Drainage Proceeding Of The International Conference Held At The University Of Southampton, April 1978 Edited By P.r. Helliwell. Pentech Press Ltd, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUrban Storm Drainage Proceeding Of The International Conference Held At The University Of Southampton, April 1978 Edited By P.r. Helliwell. Pentech Press Ltd, 1979.
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