National Academies (U.S.), National Research Council (U.S.). Board on Earth Sciences and Resources, National Research Council (U.S.). Division on Earth and Life Studies, & ebrary, Inc. (2008). Origin and evolution of earth: Research questions for a changing planet. National Academy of Sciences.
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Chicago Style (17th ed.) Zitazioa
National Academies (U.S.), National Research Council (U.S.). Board on Earth Sciences and Resources, National Research Council (U.S.). Division on Earth and Life Studies, eta Inc ebrary. Origin and Evolution of Earth: Research Questions for a Changing Planet. Washington, D.C.: National Academy of Sciences, 2008.
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MLA (9th ed.) Zitazioa
National Academies (U.S.), et al. Origin and Evolution of Earth: Research Questions for a Changing Planet. National Academy of Sciences, 2008.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.