American Water Works Association & ebrary, Inc. (2012). Water meters: Selection, installation, testing, and maintenance (5th ed.). American Water Works Association.
Chicago-referens (17:e uppl.)American Water Works Association och Inc ebrary. Water Meters: Selection, Installation, Testing, and Maintenance. 5th ed. Denver, Colo.: American Water Works Association, 2012.
MLA-referens (9:e uppl.)American Water Works Association och Inc ebrary. Water Meters: Selection, Installation, Testing, and Maintenance. 5th ed. American Water Works Association, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.