American Water Works Association & ebrary, Inc. (2012). Water meters: Selection, installation, testing, and maintenance (5th ed.). American Water Works Association.
Cita Chicago (17th ed.)American Water Works Association i Inc ebrary. Water Meters: Selection, Installation, Testing, and Maintenance. 5th ed. Denver, Colo.: American Water Works Association, 2012.
Cita MLA (9th ed.)American Water Works Association i Inc ebrary. Water Meters: Selection, Installation, Testing, and Maintenance. 5th ed. American Water Works Association, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.