National Water-Quality Assessment Program (U.S.), Geological Survey (U.S.), & Hampson, P. S. (2000). Water quality in the Upper Tennessee River Basin, Tennessee, North Carolina, Virginia, and Georgia 1994-98. U.S. Geological Survey, Water Resources Division Free on application to the U.S. Geological Survey, Information Services.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Water-Quality Assessment Program (U.S.), Geological Survey (U.S.), और Paul S. Hampson. Water Quality in the Upper Tennessee River Basin, Tennessee, North Carolina, Virginia, and Georgia 1994-98. Reston, VA, Denver, CO: U.S. Geological Survey, Water Resources Division Free on application to the U.S. Geological Survey, Information Services, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Water-Quality Assessment Program (U.S.), et al. Water Quality in the Upper Tennessee River Basin, Tennessee, North Carolina, Virginia, and Georgia 1994-98. U.S. Geological Survey, Water Resources Division Free on application to the U.S. Geological Survey, Information Services, 2000.