Annin, P. (2023). Purified: How recycled sewage is transforming our water. Island Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAnnin, Peter. Purified: How Recycled Sewage Is Transforming Our Water. Washington: Island Press, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAnnin, Peter. Purified: How Recycled Sewage Is Transforming Our Water. Island Press, 2023.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.