APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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