Lua APA (7ú heag.)
Metcalf & Eddy & Tchobanoglous, G. (1979). Wastewater Engineering: Treatment, Disposal, and Reuse (2nd ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)
Metcalf & Eddy agus George Tchobanoglous. Wastewater Engineering: Treatment, Disposal, and Reuse. 2nd ed. New York ; New delhi: McGraw-Hill, 1979.
Lua MLA (9ú heag.)
Metcalf & Eddy agus George Tchobanoglous. Wastewater Engineering: Treatment, Disposal, and Reuse. 2nd ed. McGraw-Hill, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.