Pfafflin, J. R., Baham, P., & Gill, F. S. (1996). Dictionary of environmental science and engineering. Gordon and Breach Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPfafflin, James R., Paul Baham, और Frank S. Gill. Dictionary of Environmental Science and Engineering. Australia: Gordon and Breach Publishers, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPfafflin, James R., et al. Dictionary of Environmental Science and Engineering. Gordon and Breach Publishers, 1996.
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