Cita APA (7th ed.)
Zieburtz, B., & Giardina, R. (2012). Principles of water rates, fees, and charges (6th ed.). American Water Works Association.
Cita Chicago (17th ed.)
Zieburtz, Bill, i Rick Giardina. Principles of Water Rates, Fees, and Charges. 6th ed. Denver, CO: American Water Works Association, 2012.
Cita MLA (9th ed.)
Zieburtz, Bill, i Rick Giardina. Principles of Water Rates, Fees, and Charges. 6th ed. American Water Works Association, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.