Asio, V. B., & Jahn, R. (2007). Weathering of basaltic rock and clay mineral formation in Leyte, Philippines. Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Asio, Victor B., و Reinhold Jahn. "Weathering of Basaltic Rock and Clay Mineral Formation in Leyte, Philippines." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Asio, Victor B., و Reinhold Jahn. "Weathering of Basaltic Rock and Clay Mineral Formation in Leyte, Philippines." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist), 2007.
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