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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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, و Inc ebrary. Origin and Evolution of Earth: Research Questions for a Changing Planet. Washington, D.C.: National Academy of Sciences, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Academies (U.S.), et al. Origin and Evolution of Earth: Research Questions for a Changing Planet. National Academy of Sciences, 2008.