United States. Committee on Improving the Science and Technology Programs of the National Park Service & ebrary, Inc. (1992). Science and the national parks. National Academy Press.
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Citación estilo Chicago
United States. Committee on Improving the Science and Technology Programs of the National Park Service and Inc ebrary. Science and the National Parks. Washington, D.C.: National Academy Press, 1992.
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Cita MLA
United States. Committee on Improving the Science and Technology Programs of the National Park Service and Inc ebrary. Science and the National Parks. National Academy Press, 1992.
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