APA-ийн эшлэл(7 дахь хэвлэлт)
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.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
National Research Council (U.S.). Committee to Improve the U.S. Geological Survey National Water-Quality Assessment Program ба Inc ebrary. Opportunities to Improve the U.S. Geological Survey National Water Quality Assessment Program. Washington, D.C. ; [Great Britain]: National Academy Press, 2002.
MLA -ийн эшлэл (9 дэх хэвлэлт)
National Research Council (U.S.). Committee to Improve the U.S. Geological Survey National Water-Quality Assessment Program ба Inc ebrary. Opportunities to Improve the U.S. Geological Survey National Water Quality Assessment Program. National Academy Press, 2002.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.