Merkoša sitáhtat
APA-čujuhus (7. p.)
National Research Council (U.S.). Committee on Future Roles, Challenges, and Opportunities for the U.S. Geological Survey, & ebrary, Inc. (2001). Future roles and opportunities for the U.S. Geological Survey. National Academy Press.
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Chicago-čujuhus (17. p.)
National Research Council (U.S.). Committee on Future Roles, Challenges, and Opportunities for the U.S. Geological Survey, juo Inc ebrary. Future Roles and Opportunities for the U.S. Geological Survey. Washington, D.C.: National Academy Press, 2001.
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MLA-čujuhus (9. p.)
National Research Council (U.S.). Committee on Future Roles, Challenges, and Opportunities for the U.S. Geological Survey, juo Inc ebrary. Future Roles and Opportunities for the U.S. Geological Survey. National Academy Press, 2001.
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