APA (7 वां संस्करण) प्रशस्ति पत्र
National Research Council (U.S.). Committee to Improve the U.S. Geological Survey National Water-Quality Assessment Program & ebrary, Inc. (2002). Opportunities to improve the U.S. Geological Survey National Water Quality Assessment Program. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
National Research Council (U.S.). Committee to Improve the U.S. Geological Survey National Water-Quality Assessment Program और Inc ebrary. Opportunities to Improve the U.S. Geological Survey National Water Quality Assessment Program. Washington, D.C. ; [Great Britain]: National Academy Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
National Research Council (U.S.). Committee to Improve the U.S. Geological Survey National Water-Quality Assessment Program और Inc ebrary. Opportunities to Improve the U.S. Geological Survey National Water Quality Assessment Program. National Academy Press, 2002.
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