Dyfyniad APA

American Water Works Association & ebrary, Inc. (2000). Principles of water rates, fees, and charges (5th ed.). American Water Works Association.

Dyfyniad Arddull Chicago

American Water Works Association and Inc ebrary. Principles of Water Rates, Fees, and Charges. 5th ed. Denver, Colo.: American Water Works Association, 2000.

Dyfyniad MLA

American Water Works Association and Inc ebrary. Principles of Water Rates, Fees, and Charges. 5th ed. American Water Works Association, 2000.

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