HENRY, J. (1989). Environmental Science And Engineering J. Glynn Henry, Gary W. Heinke. Prentice Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHENRY, J.Glynn. Environmental Science And Engineering J. Glynn Henry, Gary W. Heinke. Prentice Hall, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHENRY, J.Glynn. Environmental Science And Engineering J. Glynn Henry, Gary W. Heinke. Prentice Hall, 1989.
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