Metcalf & Eddy, I., Tchobanoglous, G., & Burton, F. L. (1991). Wastewater engineering: Treatment, disposal, and reuse. McGraw-Hill.
Cita Chicago (17th ed.)Metcalf & Eddy, Inc, George Tchobanoglous, i Franklin L. Burton. Wastewater Engineering: Treatment, Disposal, and Reuse. New York: McGraw-Hill, 1991.
Cita MLA (9th ed.)Metcalf & Eddy, Inc, et al. Wastewater Engineering: Treatment, Disposal, and Reuse. McGraw-Hill, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.