Droste, R. L. (1997). Theory and practice of water and wastewater treatment. New York: John Wiley and Sons.
Παραπομπή Chicago StyleDroste, Ronald L. Theory and Practice of Water and Wastewater Treatment. New York: John Wiley and Sons, 1997.
Παραπομπή MLADroste, Ronald L. Theory and Practice of Water and Wastewater Treatment. New York: John Wiley and Sons, 1997.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.