American Water Works Association & ebrary, Inc. (2012). Water meters: Selection, installation, testing, and maintenance (5th ed.). American Water Works Association.
Chicago-Zitierstil (17. Ausg.)American Water Works Association und Inc ebrary. Water Meters: Selection, Installation, Testing, and Maintenance. 5th ed. Denver, Colo.: American Water Works Association, 2012.
MLA-Zitierstil (9. Ausg.)American Water Works Association und Inc ebrary. Water Meters: Selection, Installation, Testing, and Maintenance. 5th ed. American Water Works Association, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.