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