Fair, G. M., Geyer, J. C., & Okun, D. A. (1971). Elements of water supply and wastewater disposal. Wiley.
Lua i Stíl Chicago (17ú heag.)Fair, Gordon Maskew, John Charles Geyer, agus Daniel Alexander Okun. Elements of Water Supply and Wastewater Disposal. New York: Wiley, 1971.
Lua MLA (9ú heag.)Fair, Gordon Maskew, et al. Elements of Water Supply and Wastewater Disposal. Wiley, 1971.
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