WASTEWATER ENGINEERING & METCALF [et.al]. (2003). Wastewater engineering: Treatment and reuse.-- ed.4. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)WASTEWATER ENGINEERING e METCALF [et.al]. Wastewater Engineering: Treatment and Reuse.-- Ed.4. Boston: McGraw-Hill, 2003.
Citatione MLA (9a ed.)WASTEWATER ENGINEERING e METCALF [et.al]. Wastewater Engineering: Treatment and Reuse.-- Ed.4. McGraw-Hill, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.