Dyfyniad APA
American Water Works Association & ebrary, Inc. (2006). Flowmeters in water supply (2nd ed.). American Water Works Association.
Dyfyniad Arddull Chicago
American Water Works Association and Inc ebrary. Flowmeters in Water Supply. 2nd ed. Denver, Colo.: American Water Works Association, 2006.
Dyfyniad MLA
American Water Works Association and Inc ebrary. Flowmeters in Water Supply. 2nd ed. American Water Works Association, 2006.
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