Spellman, F. R. (2003). Handbook of water and wastewater treatment plant: Operations. Lewis.
Citazione stile Chigago Style (17a edizione)Spellman, Frank R. Handbook of Water and Wastewater Treatment Plant: Operations. Boca Raton: Lewis, 2003.
Citatione MLA (9a ed.)Spellman, Frank R. Handbook of Water and Wastewater Treatment Plant: Operations. Lewis, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.