American Water Works Association & ebrary, Inc. (2010). Water transmission and distribution (4th ed.). American Water Works Association.
Lua i Stíl Chicago (17ú heag.)American Water Works Association agus Inc ebrary. Water Transmission and Distribution. 4th ed. Denver, Colo.: American Water Works Association, 2010.
Lua MLA (9ú heag.)American Water Works Association agus Inc ebrary. Water Transmission and Distribution. 4th ed. American Water Works Association, 2010.
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