Dyfyniad APA

National Research Council (U.S.). Committee on River Science at the U.S. Geological Survey & ebrary, Inc. (2007). River science at the U.S. Geological Survey. National Academies Press.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Committee on River Science at the U.S. Geological Survey and Inc ebrary. River Science at the U.S. Geological Survey. Washington, D.C.: National Academies Press, 2007.

Dyfyniad MLA

National Research Council (U.S.). Committee on River Science at the U.S. Geological Survey and Inc ebrary. River Science at the U.S. Geological Survey. National Academies Press, 2007.

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