National Research Council (U.S.) Committee to Review the USGS National Water Quality Assessment Pilot Program. (1990). A review of the USGS National Water Quality Assessment Pilot Program. National Academy Press.
Chicago-Zitierstil (17. Ausg.)National Research Council (U.S.) Committee to Review the USGS National Water Quality Assessment Pilot Program. A Review of the USGS National Water Quality Assessment Pilot Program. Washington, D.C: National Academy Press, 1990.
MLA-Zitierstil (9. Ausg.)National Research Council (U.S.) Committee to Review the USGS National Water Quality Assessment Pilot Program. A Review of the USGS National Water Quality Assessment Pilot Program. National Academy Press, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.