ebrary, Inc. (2008). Dawn of the replacement era: Reinvesting in drinking water infrastructure. American Water Works Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc. Dawn of the Replacement Era: Reinvesting in Drinking Water Infrastructure. Denver, Colo.: American Water Works Association, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc. Dawn of the Replacement Era: Reinvesting in Drinking Water Infrastructure. American Water Works Association, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.