Bregman, J. I., & Gehm, H. W. (1976). Handbook of water resources and pollution control. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)Bregman, Jacob I., agus Harry W. Gehm. Handbook of Water Resources and Pollution Control. New York: Van Nostrand Reinhold, 1976.
Lua MLA (8ú heag.)Bregman, Jacob I., agus Harry W. Gehm. Handbook of Water Resources and Pollution Control. Van Nostrand Reinhold, 1976.
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