(1991). Wastewater Engineering: Treatment, Disposal, and Reuse. Singapore: McGraw-Hill.
Παραπομπή Chicago StyleWastewater Engineering: Treatment, Disposal, and Reuse. Singapore: McGraw-Hill, 1991.
Παραπομπή MLAWastewater Engineering: Treatment, Disposal, and Reuse. Singapore: McGraw-Hill, 1991.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.