California Institute of Technology. Division of Geological and Planetary Sciences & California Institute of Technology. Division of Geological and Planetary Sciences. A report on geological and planetary sciences for the year. Division of Geological and Planetary Sciences, California Institute of Technology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)California Institute of Technology. Division of Geological and Planetary Sciences و California Institute of Technology. Division of Geological and Planetary Sciences. A Report on Geological and Planetary Sciences for the Year. Pasadena: Division of Geological and Planetary Sciences, California Institute of Technology.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)California Institute of Technology. Division of Geological and Planetary Sciences و California Institute of Technology. Division of Geological and Planetary Sciences. A Report on Geological and Planetary Sciences for the Year. Division of Geological and Planetary Sciences, California Institute of Technology.