APA (7 वां संस्करण) प्रशस्ति पत्र
Zieburtz, B., & Giardina, R. (2012). Principles of water rates, fees, and charges (6th ed.). American Water Works Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Zieburtz, Bill, और Rick Giardina. Principles of Water Rates, Fees, and Charges. 6th ed. Denver, CO: American Water Works Association, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Zieburtz, Bill, और Rick Giardina. Principles of Water Rates, Fees, and Charges. 6th ed. American Water Works Association, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.