APA (7th ed.) Zitazioa
Zieburtz, B., & Giardina, R. (2012). Principles of water rates, fees, and charges (6th ed.). American Water Works Association.
Chicago Style (17th ed.) Zitazioa
Zieburtz, Bill, eta Rick Giardina. Principles of Water Rates, Fees, and Charges. 6th ed. Denver, CO: American Water Works Association, 2012.
MLA (9th ed.) Zitazioa
Zieburtz, Bill, eta Rick Giardina. Principles of Water Rates, Fees, and Charges. 6th ed. American Water Works Association, 2012.
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