Geary, E. E. (1986). Tectonic significance of basement complexes and ophiolites in the Northern Philippines: Results of geological, geochronological and geochemical investigations. University Microfilms International.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Geary, Edward Eugene. Tectonic Significance of Basement Complexes and Ophiolites in the Northern Philippines: Results of Geological, Geochronological and Geochemical Investigations. Ann Arbor, Mich: University Microfilms International, 1986.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Geary, Edward Eugene. Tectonic Significance of Basement Complexes and Ophiolites in the Northern Philippines: Results of Geological, Geochronological and Geochemical Investigations. University Microfilms International, 1986.
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