Lua APA (7ú heag.)

Steel, E. W. (1960). Water supply and sewerage (4th ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Steel, Ernest. W. Water Supply and Sewerage. 4th ed. New York: McGraw-Hill, 1960.

Lua MLA (9ú heag.)

Steel, Ernest. W. Water Supply and Sewerage. 4th ed. McGraw-Hill, 1960.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.