International Association on Water Quality & Ekama, G. A. (1997). Secondary settling tanks : theory, modelling, design and operation / G. A. Ekama ... [et al.]: Theory, modelling, design and operation. International Association on Water Quality.
Chicago Style (17th ed.) CitationInternational Association on Water Quality and G. A. Ekama. Secondary Settling Tanks : Theory, Modelling, Design and Operation / G. A. Ekama ... [et Al.]: Theory, Modelling, Design and Operation. London: International Association on Water Quality, 1997.
MLA (9th ed.) CitationInternational Association on Water Quality and G. A. Ekama. Secondary Settling Tanks : Theory, Modelling, Design and Operation / G. A. Ekama ... [et Al.]: Theory, Modelling, Design and Operation. International Association on Water Quality, 1997.