James, A., & Evison, L. (1979). Biological indicators of water quality. Wiley.
Chicago Style aipamenaJames, A., and Lilian Evison. Biological Indicators of Water Quality. New York: Wiley, 1979.
MLA aipamenaJames, A., and Lilian Evison. Biological Indicators of Water Quality. Wiley, 1979.
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