American Water Works Association & Hughes, D. M. (2002). Assessing the future: Water utility infrastructure management. American Water Works Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Water Works Association और David M. Hughes. Assessing the Future: Water Utility Infrastructure Management. Denver, CO: American Water Works Association, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Water Works Association और David M. Hughes. Assessing the Future: Water Utility Infrastructure Management. American Water Works Association, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.