ebrary, Inc. (2002). Biosolids applied to land: Advancing standards and practices. National Academies Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc. Biosolids Applied to Land: Advancing Standards and Practices. Washington, D.C.: National Academies Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc. Biosolids Applied to Land: Advancing Standards and Practices. National Academies Press, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.