Cita APA (7th ed.)
American Water Works Association & ebrary, Inc. (2006). Distribution valves: Selection, installation, field testing, and maintenance (2nd ed.). American Water Works Association.
Cita Chicago (17th ed.)
American Water Works Association i Inc ebrary. Distribution Valves: Selection, Installation, Field Testing, and Maintenance. 2nd ed. Denver, Colo.: American Water Works Association, 2006.
Cita MLA (9th ed.)
American Water Works Association i Inc ebrary. Distribution Valves: Selection, Installation, Field Testing, and Maintenance. 2nd ed. American Water Works Association, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.