Fair, G. M., Geyer, J. C., & Okun, D. A. (1966). Water and wastewater engineering. New York: John Wiley and Sons.
Παραπομπή Chicago StyleFair, Gordon Maskew, John Charles Geyer, and Daniel Alexander Okun. Water and Wastewater Engineering. New York: John Wiley and Sons, 1966.
Παραπομπή MLAFair, Gordon Maskew, John Charles Geyer, and Daniel Alexander Okun. Water and Wastewater Engineering. New York: John Wiley and Sons, 1966.
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